QueryGym
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Reproducible benchmarks for LLM query reformulation.
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Q2D (COT)

query2doc-cot
All results produced by QueryGym · fully reproducible!

12 model × retriever configurations for this method across BEIR, MS MARCO DL, and DL-HARD.
Click any row or the + button to expand. Tabs switch dataset context. The three steps (reformulate → retrieve → evaluate) update accordingly.

Retriever
Model
Datasets
Metric
12 / 12 configs
best in column
Model Retriever ArguAnaDBPediaFiQASciFactCOVIDNewsBRIGHT — AOPSBRIGHT — BiologyBRIGHT — Earth ScienceBRIGHT — EconomicsBRIGHT — LeetCodeBRIGHT — PonyBRIGHT — PsychologyBRIGHT — RoboticsBRIGHT — Stack OverflowBRIGHT — Sustainable LivingBRIGHT — TheoremQA QuestionsBRIGHT — TheoremQA TheoremsDL-HARDDL 2019DL 2020
nDCG@10 R@100 nDCG@10 R@100 nDCG@10 R@100 nDCG@10 R@100 nDCG@10 R@100 nDCG@10 R@100 nDCG@10 R@1k nDCG@10 R@1k nDCG@10 R@1k
Qwen2.5-72B-Instruct BGE-base-en-v1.5 0.6188 0.9900 0.3528 0.4617 0.3941 0.7358 0.7387 0.9600 0.7710 0.1367 0.4070 0.4508 0.3498 0.8236 0.7121 0.8712 0.6411 0.8485
methodQ2D (COT) llmQwen2.5-72B-Instruct retrieverBGE-base-en-v1.5
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-arguana \
    --method query2doc \
    --model Qwen/Qwen2.5-72B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BGE-base-en-v1.5 (dense)
python -m pyserini.search.faiss \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-arguana.bge-base-en-v1.5 \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder BAAI/bge-base-en-v1.5 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-arguana-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-dbpedia-entity \
    --method query2doc \
    --model Qwen/Qwen2.5-72B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BGE-base-en-v1.5 (dense)
python -m pyserini.search.faiss \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-dbpedia-entity.bge-base-en-v1.5 \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder BAAI/bge-base-en-v1.5 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-dbpedia-entity-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-fiqa \
    --method query2doc \
    --model Qwen/Qwen2.5-72B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BGE-base-en-v1.5 (dense)
python -m pyserini.search.faiss \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-fiqa.bge-base-en-v1.5 \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder BAAI/bge-base-en-v1.5 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-fiqa-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-scifact \
    --method query2doc \
    --model Qwen/Qwen2.5-72B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BGE-base-en-v1.5 (dense)
python -m pyserini.search.faiss \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-scifact.bge-base-en-v1.5 \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder BAAI/bge-base-en-v1.5 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-scifact-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-trec-covid \
    --method query2doc \
    --model Qwen/Qwen2.5-72B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BGE-base-en-v1.5 (dense)
python -m pyserini.search.faiss \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-trec-covid.bge-base-en-v1.5 \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder BAAI/bge-base-en-v1.5 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-trec-covid-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-trec-news \
    --method query2doc \
    --model Qwen/Qwen2.5-72B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BGE-base-en-v1.5 (dense)
python -m pyserini.search.faiss \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-trec-news.bge-base-en-v1.5 \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder BAAI/bge-base-en-v1.5 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-trec-news-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset msmarco-v1-passage.dlhard \
    --method query2doc \
    --model Qwen/Qwen2.5-72B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BGE-base-en-v1.5 (dense)
python -m pyserini.search.faiss \
  --threads 16 --batch-size 128 \
  --index msmarco-v1-passage.bge-base-en-v1.5 \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder BAAI/bge-base-en-v1.5 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@1k
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.1000 \
  /mnt/data/son/Thesis/t5/data/dlhard/neutral_queries.tsv run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset msmarco-v1-passage.trecdl2019 \
    --method query2doc \
    --model Qwen/Qwen2.5-72B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BGE-base-en-v1.5 (dense)
python -m pyserini.search.faiss \
  --threads 16 --batch-size 128 \
  --index msmarco-v1-passage.bge-base-en-v1.5 \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder BAAI/bge-base-en-v1.5 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@1k
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.1000 \
  dl19-passage run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset msmarco-v1-passage.trecdl2020 \
    --method query2doc \
    --model Qwen/Qwen2.5-72B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BGE-base-en-v1.5 (dense)
python -m pyserini.search.faiss \
  --threads 16 --batch-size 128 \
  --index msmarco-v1-passage.bge-base-en-v1.5 \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder BAAI/bge-base-en-v1.5 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@1k
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.1000 \
  dl20-passage run.txt
Qwen2.5-72B-Instruct BM25 0.4060 0.3787 0.4778 0.2453 0.7077 0.6785 0.1590 0.4172 0.5578 0.3075 0.7526 0.6378 0.8508 0.5651 0.8549
methodQ2D (COT) llmQwen2.5-72B-Instruct retrieverBM25
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-arguana \
    --method query2doc \
    --model Qwen/Qwen2.5-72B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BM25 (lexical)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-arguana.flat \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --bm25 --k1 0.9 --b 0.4 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 \
  beir-v1.0.0-arguana-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-dbpedia-entity \
    --method query2doc \
    --model Qwen/Qwen2.5-72B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BM25 (lexical)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-dbpedia-entity.flat \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --bm25 --k1 0.9 --b 0.4 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-dbpedia-entity-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-fiqa \
    --method query2doc \
    --model Qwen/Qwen2.5-72B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BM25 (lexical)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-fiqa.flat \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --bm25 --k1 0.9 --b 0.4 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 \
  beir-v1.0.0-fiqa-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-scifact \
    --method query2doc \
    --model Qwen/Qwen2.5-72B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BM25 (lexical)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-scifact.flat \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --bm25 --k1 0.9 --b 0.4 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 \
  beir-v1.0.0-scifact-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-trec-covid \
    --method query2doc \
    --model Qwen/Qwen2.5-72B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BM25 (lexical)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-trec-covid.flat \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --bm25 --k1 0.9 --b 0.4 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-trec-covid-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-trec-news \
    --method query2doc \
    --model Qwen/Qwen2.5-72B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BM25 (lexical)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-trec-news.flat \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --bm25 --k1 0.9 --b 0.4 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-trec-news-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset msmarco-v1-passage.dlhard \
    --method query2doc \
    --model Qwen/Qwen2.5-72B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BM25 (lexical)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index msmarco-v1-passage \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --bm25 --k1 0.9 --b 0.4 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@1k
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.1000 \
  /mnt/data/son/Thesis/t5/data/dlhard/neutral_queries.tsv run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset msmarco-v1-passage.trecdl2019 \
    --method query2doc \
    --model Qwen/Qwen2.5-72B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BM25 (lexical)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index msmarco-v1-passage \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --bm25 --k1 0.9 --b 0.4 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@1k
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.1000 \
  dl19-passage run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset msmarco-v1-passage.trecdl2020 \
    --method query2doc \
    --model Qwen/Qwen2.5-72B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BM25 (lexical)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index msmarco-v1-passage \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --bm25 --k1 0.9 --b 0.4 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@1k
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.1000 \
  dl20-passage run.txt
Qwen2.5-72B-Instruct SPLADE++ 0.5199 0.9808 0.3897 0.5470 0.3157 0.6411 0.6834 0.9533 0.6425 0.1159 0.4054 0.4627 0.3016 0.8393 0.6941 0.9148 0.6099 0.8857
methodQ2D (COT) llmQwen2.5-72B-Instruct retrieverSPLADE++
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-arguana \
    --method query2doc \
    --model Qwen/Qwen2.5-72B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · SPLADE++ (learned_sparse)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-arguana.splade-pp-ed \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder naver/splade-cocondenser-ensembledistil \
  --output run.txt \
  --hits 1000 --impact
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-arguana-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-dbpedia-entity \
    --method query2doc \
    --model Qwen/Qwen2.5-72B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · SPLADE++ (learned_sparse)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-dbpedia-entity.splade-pp-ed \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder naver/splade-cocondenser-ensembledistil \
  --output run.txt \
  --hits 1000 --impact
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-dbpedia-entity-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-fiqa \
    --method query2doc \
    --model Qwen/Qwen2.5-72B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · SPLADE++ (learned_sparse)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-fiqa.splade-pp-ed \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder naver/splade-cocondenser-ensembledistil \
  --output run.txt \
  --hits 1000 --impact
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-fiqa-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-scifact \
    --method query2doc \
    --model Qwen/Qwen2.5-72B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · SPLADE++ (learned_sparse)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-scifact.splade-pp-ed \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder naver/splade-cocondenser-ensembledistil \
  --output run.txt \
  --hits 1000 --impact
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-scifact-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-trec-covid \
    --method query2doc \
    --model Qwen/Qwen2.5-72B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · SPLADE++ (learned_sparse)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-trec-covid.splade-pp-ed \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder naver/splade-cocondenser-ensembledistil \
  --output run.txt \
  --hits 1000 --impact
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-trec-covid-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-trec-news \
    --method query2doc \
    --model Qwen/Qwen2.5-72B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · SPLADE++ (learned_sparse)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-trec-news.splade-pp-ed \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder naver/splade-cocondenser-ensembledistil \
  --output run.txt \
  --hits 1000 --impact
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-trec-news-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset msmarco-v1-passage.dlhard \
    --method query2doc \
    --model Qwen/Qwen2.5-72B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · SPLADE++ (learned_sparse)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index msmarco-v1-passage.splade-pp-ed \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder naver/splade-cocondenser-ensembledistil \
  --output run.txt \
  --hits 1000 --impact
3 evaluate trec_eval · nDCG@10 + R@1k
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.1000 \
  /mnt/data/son/Thesis/t5/data/dlhard/neutral_queries.tsv run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset msmarco-v1-passage.trecdl2019 \
    --method query2doc \
    --model Qwen/Qwen2.5-72B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · SPLADE++ (learned_sparse)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index msmarco-v1-passage.splade-pp-ed \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder naver/splade-cocondenser-ensembledistil \
  --output run.txt \
  --hits 1000 --impact
3 evaluate trec_eval · nDCG@10 + R@1k
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.1000 \
  dl19-passage run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset msmarco-v1-passage.trecdl2020 \
    --method query2doc \
    --model Qwen/Qwen2.5-72B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · SPLADE++ (learned_sparse)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index msmarco-v1-passage.splade-pp-ed \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder naver/splade-cocondenser-ensembledistil \
  --output run.txt \
  --hits 1000 --impact
3 evaluate trec_eval · nDCG@10 + R@1k
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.1000 \
  dl20-passage run.txt
Qwen2.5-7B-Instruct BGE-base-en-v1.5 0.6195 0.9893 0.3498 0.4463 0.3896 0.7244 0.7336 0.9667 0.7769 0.1386 0.4295 0.4584 0.3391 0.8300 0.6561 0.8397 0.6302 0.8573
methodQ2D (COT) llmQwen2.5-7B-Instruct retrieverBGE-base-en-v1.5
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-arguana \
    --method query2doc \
    --model Qwen/Qwen2.5-7B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BGE-base-en-v1.5 (dense)
python -m pyserini.search.faiss \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-arguana.bge-base-en-v1.5 \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder BAAI/bge-base-en-v1.5 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-arguana-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-dbpedia-entity \
    --method query2doc \
    --model Qwen/Qwen2.5-7B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BGE-base-en-v1.5 (dense)
python -m pyserini.search.faiss \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-dbpedia-entity.bge-base-en-v1.5 \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder BAAI/bge-base-en-v1.5 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-dbpedia-entity-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-fiqa \
    --method query2doc \
    --model Qwen/Qwen2.5-7B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BGE-base-en-v1.5 (dense)
python -m pyserini.search.faiss \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-fiqa.bge-base-en-v1.5 \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder BAAI/bge-base-en-v1.5 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-fiqa-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-scifact \
    --method query2doc \
    --model Qwen/Qwen2.5-7B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BGE-base-en-v1.5 (dense)
python -m pyserini.search.faiss \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-scifact.bge-base-en-v1.5 \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder BAAI/bge-base-en-v1.5 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-scifact-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-trec-covid \
    --method query2doc \
    --model Qwen/Qwen2.5-7B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BGE-base-en-v1.5 (dense)
python -m pyserini.search.faiss \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-trec-covid.bge-base-en-v1.5 \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder BAAI/bge-base-en-v1.5 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-trec-covid-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-trec-news \
    --method query2doc \
    --model Qwen/Qwen2.5-7B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BGE-base-en-v1.5 (dense)
python -m pyserini.search.faiss \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-trec-news.bge-base-en-v1.5 \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder BAAI/bge-base-en-v1.5 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-trec-news-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset msmarco-v1-passage.dlhard \
    --method query2doc \
    --model Qwen/Qwen2.5-7B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BGE-base-en-v1.5 (dense)
python -m pyserini.search.faiss \
  --threads 16 --batch-size 128 \
  --index msmarco-v1-passage.bge-base-en-v1.5 \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder BAAI/bge-base-en-v1.5 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@1k
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.1000 \
  /mnt/data/son/Thesis/t5/data/dlhard/neutral_queries.tsv run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset msmarco-v1-passage.trecdl2019 \
    --method query2doc \
    --model Qwen/Qwen2.5-7B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BGE-base-en-v1.5 (dense)
python -m pyserini.search.faiss \
  --threads 16 --batch-size 128 \
  --index msmarco-v1-passage.bge-base-en-v1.5 \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder BAAI/bge-base-en-v1.5 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@1k
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.1000 \
  dl19-passage run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset msmarco-v1-passage.trecdl2020 \
    --method query2doc \
    --model Qwen/Qwen2.5-7B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BGE-base-en-v1.5 (dense)
python -m pyserini.search.faiss \
  --threads 16 --batch-size 128 \
  --index msmarco-v1-passage.bge-base-en-v1.5 \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder BAAI/bge-base-en-v1.5 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@1k
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.1000 \
  dl20-passage run.txt
Qwen2.5-7B-Instruct BM25 0.4011 0.9360 0.3669 0.4809 0.2405 0.5544 0.7096 0.9427 0.6997 0.1620 0.4349 0.5616 0.3044 0.7815 0.6074 0.8585 0.5802 0.8684
methodQ2D (COT) llmQwen2.5-7B-Instruct retrieverBM25
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-arguana \
    --method query2doc \
    --model Qwen/Qwen2.5-7B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BM25 (lexical)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-arguana.flat \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --bm25 --k1 0.9 --b 0.4 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-arguana-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-dbpedia-entity \
    --method query2doc \
    --model Qwen/Qwen2.5-7B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BM25 (lexical)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-dbpedia-entity.flat \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --bm25 --k1 0.9 --b 0.4 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-dbpedia-entity-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-fiqa \
    --method query2doc \
    --model Qwen/Qwen2.5-7B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BM25 (lexical)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-fiqa.flat \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --bm25 --k1 0.9 --b 0.4 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-fiqa-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-scifact \
    --method query2doc \
    --model Qwen/Qwen2.5-7B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BM25 (lexical)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-scifact.flat \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --bm25 --k1 0.9 --b 0.4 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-scifact-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-trec-covid \
    --method query2doc \
    --model Qwen/Qwen2.5-7B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BM25 (lexical)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-trec-covid.flat \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --bm25 --k1 0.9 --b 0.4 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-trec-covid-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-trec-news \
    --method query2doc \
    --model Qwen/Qwen2.5-7B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BM25 (lexical)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-trec-news.flat \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --bm25 --k1 0.9 --b 0.4 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-trec-news-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset msmarco-v1-passage.dlhard \
    --method query2doc \
    --model Qwen/Qwen2.5-7B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BM25 (lexical)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index msmarco-v1-passage \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --bm25 --k1 0.9 --b 0.4 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@1k
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.1000 \
  /mnt/data/son/Thesis/t5/data/dlhard/neutral_queries.tsv run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset msmarco-v1-passage.trecdl2019 \
    --method query2doc \
    --model Qwen/Qwen2.5-7B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BM25 (lexical)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index msmarco-v1-passage \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --bm25 --k1 0.9 --b 0.4 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@1k
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.1000 \
  dl19-passage run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset msmarco-v1-passage.trecdl2020 \
    --method query2doc \
    --model Qwen/Qwen2.5-7B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BM25 (lexical)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index msmarco-v1-passage \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --bm25 --k1 0.9 --b 0.4 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@1k
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.1000 \
  dl20-passage run.txt
Qwen2.5-7B-Instruct SPLADE++ 0.5200 0.9808 0.3697 0.5223 0.3206 0.6505 0.6825 0.9467 0.6567 0.1147 0.3831 0.4524 0.2731 0.8239 0.6513 0.9037 0.5948 0.9019
methodQ2D (COT) llmQwen2.5-7B-Instruct retrieverSPLADE++
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-arguana \
    --method query2doc \
    --model Qwen/Qwen2.5-7B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · SPLADE++ (learned_sparse)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-arguana.splade-pp-ed \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder naver/splade-cocondenser-ensembledistil \
  --output run.txt \
  --hits 1000 --impact
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-arguana-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-dbpedia-entity \
    --method query2doc \
    --model Qwen/Qwen2.5-7B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · SPLADE++ (learned_sparse)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-dbpedia-entity.splade-pp-ed \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder naver/splade-cocondenser-ensembledistil \
  --output run.txt \
  --hits 1000 --impact
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-dbpedia-entity-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-fiqa \
    --method query2doc \
    --model Qwen/Qwen2.5-7B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · SPLADE++ (learned_sparse)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-fiqa.splade-pp-ed \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder naver/splade-cocondenser-ensembledistil \
  --output run.txt \
  --hits 1000 --impact
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-fiqa-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-scifact \
    --method query2doc \
    --model Qwen/Qwen2.5-7B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · SPLADE++ (learned_sparse)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-scifact.splade-pp-ed \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder naver/splade-cocondenser-ensembledistil \
  --output run.txt \
  --hits 1000 --impact
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-scifact-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-trec-covid \
    --method query2doc \
    --model Qwen/Qwen2.5-7B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · SPLADE++ (learned_sparse)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-trec-covid.splade-pp-ed \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder naver/splade-cocondenser-ensembledistil \
  --output run.txt \
  --hits 1000 --impact
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-trec-covid-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-trec-news \
    --method query2doc \
    --model Qwen/Qwen2.5-7B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · SPLADE++ (learned_sparse)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-trec-news.splade-pp-ed \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder naver/splade-cocondenser-ensembledistil \
  --output run.txt \
  --hits 1000 --impact
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-trec-news-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset msmarco-v1-passage.dlhard \
    --method query2doc \
    --model Qwen/Qwen2.5-7B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · SPLADE++ (learned_sparse)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index msmarco-v1-passage.splade-pp-ed \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder naver/splade-cocondenser-ensembledistil \
  --output run.txt \
  --hits 1000 --impact
3 evaluate trec_eval · nDCG@10 + R@1k
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.1000 \
  /mnt/data/son/Thesis/t5/data/dlhard/neutral_queries.tsv run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset msmarco-v1-passage.trecdl2019 \
    --method query2doc \
    --model Qwen/Qwen2.5-7B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · SPLADE++ (learned_sparse)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index msmarco-v1-passage.splade-pp-ed \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder naver/splade-cocondenser-ensembledistil \
  --output run.txt \
  --hits 1000 --impact
3 evaluate trec_eval · nDCG@10 + R@1k
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.1000 \
  dl19-passage run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset msmarco-v1-passage.trecdl2020 \
    --method query2doc \
    --model Qwen/Qwen2.5-7B-Instruct \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · SPLADE++ (learned_sparse)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index msmarco-v1-passage.splade-pp-ed \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder naver/splade-cocondenser-ensembledistil \
  --output run.txt \
  --hits 1000 --impact
3 evaluate trec_eval · nDCG@10 + R@1k
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.1000 \
  dl20-passage run.txt
gpt-4.1 BGE-base-en-v1.5 0.6186 0.9886 0.3678 0.4556 0.4009 0.7483 0.7580 0.9633 0.7984 0.1380 0.4331 0.4763 0.3755 0.8505 0.7125 0.8877 0.6720 0.8756
methodQ2D (COT) llmgpt-4.1 retrieverBGE-base-en-v1.5
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-arguana \
    --method query2doc \
    --model openai/gpt-4.1 \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BGE-base-en-v1.5 (dense)
python -m pyserini.search.faiss \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-arguana.bge-base-en-v1.5 \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder BAAI/bge-base-en-v1.5 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-arguana-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-dbpedia-entity \
    --method query2doc \
    --model openai/gpt-4.1 \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BGE-base-en-v1.5 (dense)
python -m pyserini.search.faiss \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-dbpedia-entity.bge-base-en-v1.5 \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder BAAI/bge-base-en-v1.5 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-dbpedia-entity-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-fiqa \
    --method query2doc \
    --model openai/gpt-4.1 \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BGE-base-en-v1.5 (dense)
python -m pyserini.search.faiss \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-fiqa.bge-base-en-v1.5 \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder BAAI/bge-base-en-v1.5 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-fiqa-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-scifact \
    --method query2doc \
    --model openai/gpt-4.1 \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BGE-base-en-v1.5 (dense)
python -m pyserini.search.faiss \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-scifact.bge-base-en-v1.5 \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder BAAI/bge-base-en-v1.5 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-scifact-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-trec-covid \
    --method query2doc \
    --model openai/gpt-4.1 \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BGE-base-en-v1.5 (dense)
python -m pyserini.search.faiss \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-trec-covid.bge-base-en-v1.5 \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder BAAI/bge-base-en-v1.5 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-trec-covid-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-trec-news \
    --method query2doc \
    --model openai/gpt-4.1 \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BGE-base-en-v1.5 (dense)
python -m pyserini.search.faiss \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-trec-news.bge-base-en-v1.5 \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder BAAI/bge-base-en-v1.5 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-trec-news-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset msmarco-v1-passage.dlhard \
    --method query2doc \
    --model openai/gpt-4.1 \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BGE-base-en-v1.5 (dense)
python -m pyserini.search.faiss \
  --threads 16 --batch-size 128 \
  --index msmarco-v1-passage.bge-base-en-v1.5 \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder BAAI/bge-base-en-v1.5 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@1k
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.1000 \
  /mnt/data/son/Thesis/t5/data/dlhard/neutral_queries.tsv run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset msmarco-v1-passage.trecdl2019 \
    --method query2doc \
    --model openai/gpt-4.1 \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BGE-base-en-v1.5 (dense)
python -m pyserini.search.faiss \
  --threads 16 --batch-size 128 \
  --index msmarco-v1-passage.bge-base-en-v1.5 \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder BAAI/bge-base-en-v1.5 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@1k
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.1000 \
  dl19-passage run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset msmarco-v1-passage.trecdl2020 \
    --method query2doc \
    --model openai/gpt-4.1 \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BGE-base-en-v1.5 (dense)
python -m pyserini.search.faiss \
  --threads 16 --batch-size 128 \
  --index msmarco-v1-passage.bge-base-en-v1.5 \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder BAAI/bge-base-en-v1.5 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@1k
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.1000 \
  dl20-passage run.txt
gpt-4.1 BM25 0.4028 0.9374 0.3934 0.4775 0.2578 0.5843 0.7135 0.9510 0.7277 0.1696 0.4656 0.5829 0.3291 0.7737 0.6528 0.8777 0.6239 0.8781
methodQ2D (COT) llmgpt-4.1 retrieverBM25
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-arguana \
    --method query2doc \
    --model openai/gpt-4.1 \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BM25 (lexical)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-arguana.flat \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --bm25 --k1 0.9 --b 0.4 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-arguana-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-dbpedia-entity \
    --method query2doc \
    --model openai/gpt-4.1 \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BM25 (lexical)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-dbpedia-entity.flat \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --bm25 --k1 0.9 --b 0.4 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-dbpedia-entity-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-fiqa \
    --method query2doc \
    --model openai/gpt-4.1 \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BM25 (lexical)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-fiqa.flat \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --bm25 --k1 0.9 --b 0.4 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-fiqa-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-scifact \
    --method query2doc \
    --model openai/gpt-4.1 \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BM25 (lexical)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-scifact.flat \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --bm25 --k1 0.9 --b 0.4 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-scifact-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-trec-covid \
    --method query2doc \
    --model openai/gpt-4.1 \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BM25 (lexical)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-trec-covid.flat \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --bm25 --k1 0.9 --b 0.4 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-trec-covid-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-trec-news \
    --method query2doc \
    --model openai/gpt-4.1 \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BM25 (lexical)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-trec-news.flat \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --bm25 --k1 0.9 --b 0.4 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-trec-news-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset msmarco-v1-passage.dlhard \
    --method query2doc \
    --model openai/gpt-4.1 \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BM25 (lexical)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index msmarco-v1-passage \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --bm25 --k1 0.9 --b 0.4 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@1k
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.1000 \
  /mnt/data/son/Thesis/t5/data/dlhard/neutral_queries.tsv run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset msmarco-v1-passage.trecdl2019 \
    --method query2doc \
    --model openai/gpt-4.1 \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BM25 (lexical)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index msmarco-v1-passage \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --bm25 --k1 0.9 --b 0.4 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@1k
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.1000 \
  dl19-passage run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset msmarco-v1-passage.trecdl2020 \
    --method query2doc \
    --model openai/gpt-4.1 \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BM25 (lexical)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index msmarco-v1-passage \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --bm25 --k1 0.9 --b 0.4 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@1k
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.1000 \
  dl20-passage run.txt
gpt-4.1 SPLADE++ 0.3820 0.9801 0.3926 0.5319 0.3154 0.6513 0.7120 0.9460 0.6858 0.1056 0.4160 0.4741 0.3308 0.8456 0.6877 0.9153 0.6534 0.9089
methodQ2D (COT) llmgpt-4.1 retrieverSPLADE++
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-arguana \
    --method query2doc \
    --model openai/gpt-4.1 \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · SPLADE++ (learned_sparse)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-arguana.splade-pp-ed \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder naver/splade-cocondenser-ensembledistil \
  --output run.txt \
  --hits 1000 --impact
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-arguana-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-dbpedia-entity \
    --method query2doc \
    --model openai/gpt-4.1 \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · SPLADE++ (learned_sparse)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-dbpedia-entity.splade-pp-ed \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder naver/splade-cocondenser-ensembledistil \
  --output run.txt \
  --hits 1000 --impact
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-dbpedia-entity-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-fiqa \
    --method query2doc \
    --model openai/gpt-4.1 \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · SPLADE++ (learned_sparse)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-fiqa.splade-pp-ed \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder naver/splade-cocondenser-ensembledistil \
  --output run.txt \
  --hits 1000 --impact
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-fiqa-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-scifact \
    --method query2doc \
    --model openai/gpt-4.1 \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · SPLADE++ (learned_sparse)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-scifact.splade-pp-ed \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder naver/splade-cocondenser-ensembledistil \
  --output run.txt \
  --hits 1000 --impact
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-scifact-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-trec-covid \
    --method query2doc \
    --model openai/gpt-4.1 \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · SPLADE++ (learned_sparse)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-trec-covid.splade-pp-ed \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder naver/splade-cocondenser-ensembledistil \
  --output run.txt \
  --hits 1000 --impact
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-trec-covid-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-trec-news \
    --method query2doc \
    --model openai/gpt-4.1 \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · SPLADE++ (learned_sparse)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-trec-news.splade-pp-ed \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder naver/splade-cocondenser-ensembledistil \
  --output run.txt \
  --hits 1000 --impact
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-trec-news-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset msmarco-v1-passage.dlhard \
    --method query2doc \
    --model openai/gpt-4.1 \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · SPLADE++ (learned_sparse)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index msmarco-v1-passage.splade-pp-ed \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder naver/splade-cocondenser-ensembledistil \
  --output run.txt \
  --hits 1000 --impact
3 evaluate trec_eval · nDCG@10 + R@1k
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.1000 \
  /mnt/data/son/Thesis/t5/data/dlhard/neutral_queries.tsv run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset msmarco-v1-passage.trecdl2019 \
    --method query2doc \
    --model openai/gpt-4.1 \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · SPLADE++ (learned_sparse)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index msmarco-v1-passage.splade-pp-ed \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder naver/splade-cocondenser-ensembledistil \
  --output run.txt \
  --hits 1000 --impact
3 evaluate trec_eval · nDCG@10 + R@1k
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.1000 \
  dl19-passage run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset msmarco-v1-passage.trecdl2020 \
    --method query2doc \
    --model openai/gpt-4.1 \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · SPLADE++ (learned_sparse)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index msmarco-v1-passage.splade-pp-ed \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder naver/splade-cocondenser-ensembledistil \
  --output run.txt \
  --hits 1000 --impact
3 evaluate trec_eval · nDCG@10 + R@1k
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.1000 \
  dl20-passage run.txt
gpt-4.1-nano BGE-base-en-v1.5 0.6194 0.9893 0.3843 0.4891 0.3967 0.7409 0.7499 0.9633 0.7995 0.1420 0.4312 0.4754 0.3722 0.8367 0.6710 0.8530 0.6744 0.8709
methodQ2D (COT) llmgpt-4.1-nano retrieverBGE-base-en-v1.5
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-arguana \
    --method query2doc \
    --model openai/gpt-4.1-nano \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BGE-base-en-v1.5 (dense)
python -m pyserini.search.faiss \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-arguana.bge-base-en-v1.5 \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder BAAI/bge-base-en-v1.5 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-arguana-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-dbpedia-entity \
    --method query2doc \
    --model openai/gpt-4.1-nano \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BGE-base-en-v1.5 (dense)
python -m pyserini.search.faiss \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-dbpedia-entity.bge-base-en-v1.5 \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder BAAI/bge-base-en-v1.5 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-dbpedia-entity-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-fiqa \
    --method query2doc \
    --model openai/gpt-4.1-nano \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BGE-base-en-v1.5 (dense)
python -m pyserini.search.faiss \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-fiqa.bge-base-en-v1.5 \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder BAAI/bge-base-en-v1.5 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-fiqa-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-scifact \
    --method query2doc \
    --model openai/gpt-4.1-nano \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BGE-base-en-v1.5 (dense)
python -m pyserini.search.faiss \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-scifact.bge-base-en-v1.5 \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder BAAI/bge-base-en-v1.5 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-scifact-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-trec-covid \
    --method query2doc \
    --model openai/gpt-4.1-nano \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BGE-base-en-v1.5 (dense)
python -m pyserini.search.faiss \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-trec-covid.bge-base-en-v1.5 \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder BAAI/bge-base-en-v1.5 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-trec-covid-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-trec-news \
    --method query2doc \
    --model openai/gpt-4.1-nano \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BGE-base-en-v1.5 (dense)
python -m pyserini.search.faiss \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-trec-news.bge-base-en-v1.5 \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder BAAI/bge-base-en-v1.5 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-trec-news-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset msmarco-v1-passage.dlhard \
    --method query2doc \
    --model openai/gpt-4.1-nano \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BGE-base-en-v1.5 (dense)
python -m pyserini.search.faiss \
  --threads 16 --batch-size 128 \
  --index msmarco-v1-passage.bge-base-en-v1.5 \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder BAAI/bge-base-en-v1.5 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@1k
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.1000 \
  /mnt/data/son/Thesis/t5/data/dlhard/neutral_queries.tsv run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset msmarco-v1-passage.trecdl2019 \
    --method query2doc \
    --model openai/gpt-4.1-nano \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BGE-base-en-v1.5 (dense)
python -m pyserini.search.faiss \
  --threads 16 --batch-size 128 \
  --index msmarco-v1-passage.bge-base-en-v1.5 \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder BAAI/bge-base-en-v1.5 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@1k
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.1000 \
  dl19-passage run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset msmarco-v1-passage.trecdl2020 \
    --method query2doc \
    --model openai/gpt-4.1-nano \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BGE-base-en-v1.5 (dense)
python -m pyserini.search.faiss \
  --threads 16 --batch-size 128 \
  --index msmarco-v1-passage.bge-base-en-v1.5 \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder BAAI/bge-base-en-v1.5 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@1k
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.1000 \
  dl20-passage run.txt
gpt-4.1-nano BM25 0.4011 0.9360 0.3921 0.5132 0.2557 0.5758 0.7273 0.9560 0.7503 0.1744 0.4601 0.5728 0.3320 0.7655 0.6254 0.8621 0.6092 0.8846
methodQ2D (COT) llmgpt-4.1-nano retrieverBM25
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-arguana \
    --method query2doc \
    --model openai/gpt-4.1-nano \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BM25 (lexical)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-arguana.flat \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --bm25 --k1 0.9 --b 0.4 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-arguana-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-dbpedia-entity \
    --method query2doc \
    --model openai/gpt-4.1-nano \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BM25 (lexical)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-dbpedia-entity.flat \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --bm25 --k1 0.9 --b 0.4 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-dbpedia-entity-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-fiqa \
    --method query2doc \
    --model openai/gpt-4.1-nano \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BM25 (lexical)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-fiqa.flat \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --bm25 --k1 0.9 --b 0.4 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-fiqa-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-scifact \
    --method query2doc \
    --model openai/gpt-4.1-nano \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BM25 (lexical)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-scifact.flat \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --bm25 --k1 0.9 --b 0.4 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-scifact-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-trec-covid \
    --method query2doc \
    --model openai/gpt-4.1-nano \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BM25 (lexical)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-trec-covid.flat \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --bm25 --k1 0.9 --b 0.4 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-trec-covid-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-trec-news \
    --method query2doc \
    --model openai/gpt-4.1-nano \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BM25 (lexical)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-trec-news.flat \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --bm25 --k1 0.9 --b 0.4 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-trec-news-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset msmarco-v1-passage.dlhard \
    --method query2doc \
    --model openai/gpt-4.1-nano \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BM25 (lexical)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index msmarco-v1-passage \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --bm25 --k1 0.9 --b 0.4 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@1k
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.1000 \
  /mnt/data/son/Thesis/t5/data/dlhard/neutral_queries.tsv run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset msmarco-v1-passage.trecdl2019 \
    --method query2doc \
    --model openai/gpt-4.1-nano \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BM25 (lexical)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index msmarco-v1-passage \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --bm25 --k1 0.9 --b 0.4 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@1k
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.1000 \
  dl19-passage run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset msmarco-v1-passage.trecdl2020 \
    --method query2doc \
    --model openai/gpt-4.1-nano \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · BM25 (lexical)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index msmarco-v1-passage \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --bm25 --k1 0.9 --b 0.4 \
  --output run.txt \
  --hits 1000
3 evaluate trec_eval · nDCG@10 + R@1k
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.1000 \
  dl20-passage run.txt
gpt-4.1-nano SPLADE++ 0.3820 0.9801 0.3962 0.5324 0.3131 0.6532 0.7065 0.9433 0.6809 0.1163 0.4053 0.4554 0.3426 0.8390 0.6544 0.8954 0.6271 0.9167
methodQ2D (COT) llmgpt-4.1-nano retrieverSPLADE++
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-arguana \
    --method query2doc \
    --model openai/gpt-4.1-nano \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · SPLADE++ (learned_sparse)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-arguana.splade-pp-ed \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder naver/splade-cocondenser-ensembledistil \
  --output run.txt \
  --hits 1000 --impact
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-arguana-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-dbpedia-entity \
    --method query2doc \
    --model openai/gpt-4.1-nano \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · SPLADE++ (learned_sparse)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-dbpedia-entity.splade-pp-ed \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder naver/splade-cocondenser-ensembledistil \
  --output run.txt \
  --hits 1000 --impact
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-dbpedia-entity-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-fiqa \
    --method query2doc \
    --model openai/gpt-4.1-nano \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · SPLADE++ (learned_sparse)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-fiqa.splade-pp-ed \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder naver/splade-cocondenser-ensembledistil \
  --output run.txt \
  --hits 1000 --impact
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-fiqa-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-scifact \
    --method query2doc \
    --model openai/gpt-4.1-nano \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · SPLADE++ (learned_sparse)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-scifact.splade-pp-ed \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder naver/splade-cocondenser-ensembledistil \
  --output run.txt \
  --hits 1000 --impact
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-scifact-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-trec-covid \
    --method query2doc \
    --model openai/gpt-4.1-nano \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · SPLADE++ (learned_sparse)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-trec-covid.splade-pp-ed \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder naver/splade-cocondenser-ensembledistil \
  --output run.txt \
  --hits 1000 --impact
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-trec-covid-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset beir-v1.0.0-trec-news \
    --method query2doc \
    --model openai/gpt-4.1-nano \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · SPLADE++ (learned_sparse)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index beir-v1.0.0-trec-news.splade-pp-ed \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder naver/splade-cocondenser-ensembledistil \
  --output run.txt \
  --hits 1000 --impact
3 evaluate trec_eval · nDCG@10 + R@100
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.100 \
  beir-v1.0.0-trec-news-test run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset msmarco-v1-passage.dlhard \
    --method query2doc \
    --model openai/gpt-4.1-nano \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · SPLADE++ (learned_sparse)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index msmarco-v1-passage.splade-pp-ed \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder naver/splade-cocondenser-ensembledistil \
  --output run.txt \
  --hits 1000 --impact
3 evaluate trec_eval · nDCG@10 + R@1k
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.1000 \
  /mnt/data/son/Thesis/t5/data/dlhard/neutral_queries.tsv run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset msmarco-v1-passage.trecdl2019 \
    --method query2doc \
    --model openai/gpt-4.1-nano \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · SPLADE++ (learned_sparse)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index msmarco-v1-passage.splade-pp-ed \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder naver/splade-cocondenser-ensembledistil \
  --output run.txt \
  --hits 1000 --impact
3 evaluate trec_eval · nDCG@10 + R@1k
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.1000 \
  dl19-passage run.txt
1 reformulate querygym → reformulated_queries.tsv
python examples/querygym_pyserini/pipeline.py \
    --dataset msmarco-v1-passage.trecdl2020 \
    --method query2doc \
    --model openai/gpt-4.1-nano \
    --steps reformulate \
    --temperature 1 \
    --max-tokens 128 \
    --method-params '{"mode":"cot","num_examples":4,"train_split":"train"}' \
    --output-dir outputs/reproduce
2 retrieve pyserini · SPLADE++ (learned_sparse)
python -m pyserini.search.lucene \
  --threads 16 --batch-size 128 \
  --index msmarco-v1-passage.splade-pp-ed \
  --topics outputs/reproduce/queries/reformulated_queries.tsv \
  --encoder naver/splade-cocondenser-ensembledistil \
  --output run.txt \
  --hits 1000 --impact
3 evaluate trec_eval · nDCG@10 + R@1k
python -m pyserini.eval.trec_eval -c -m ndcg.cut.10 -m recall.1000 \
  dl20-passage run.txt