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Anserini Regressions: TREC 2021 DL Track on V2.1 Corpus

Models: various bag-of-words approaches on complete documents

This page describes experiments, integrated into Anserini's regression testing framework, on the TREC 2021 Deep Learning Track document ranking task using the MS MARCO V2.1 document corpus, which was derived from the MS MARCO V2 document corpus and prepared for the TREC 2024 RAG Track.

Note that the NIST relevance judgments provide far more relevant documents per topic, unlike the "sparse" judgments provided by Microsoft (these are sometimes called "dense" judgments to emphasize this contrast).

Here, we cover bag-of-words baselines where each document in the MS MARCO V2.1 document corpus is treated as a unit of indexing.

The exact configurations for these regressions are stored in this YAML file. Note that this page is automatically generated from this template as part of Anserini's regression pipeline, so do not modify this page directly; modify the template instead.

From one of our Waterloo servers (e.g., orca), the following command will perform the complete regression, end to end:

python src/main/python/run_regression.py --index --verify --search --regression dl21-doc-msmarco-v2.1

Indexing

Typical indexing command:

bin/run.sh io.anserini.index.IndexCollection \
  -collection MsMarcoV2DocCollection \
  -input /path/to/msmarco-v2.1-doc \
  -generator DefaultLuceneDocumentGenerator \
  -index indexes/lucene-inverted.msmarco-v2.1-doc/ \
  -threads 24 -storeRaw \
  >& logs/log.msmarco-v2.1-doc &

The setting of -input should be a directory containing the compressed jsonl files that comprise the corpus.

For additional details, see explanation of common indexing options.

Retrieval

Topics and qrels are stored here, which is linked to the Anserini repo as a submodule. The regression experiments here evaluate on the 57 topics for which NIST has provided judgments as part of the TREC 2021 Deep Learning Track, but projected over to the V2.1 version of the corpus.

After indexing has completed, you should be able to perform retrieval as follows:

bin/run.sh io.anserini.search.SearchCollection \
  -index indexes/lucene-inverted.msmarco-v2.1-doc/ \
  -topics tools/topics-and-qrels/topics.dl21.txt \
  -topicReader TsvInt \
  -output runs/run.msmarco-v2.1-doc.bm25-default.topics.dl21.txt \
  -hits 1000 -bm25 &

bin/run.sh io.anserini.search.SearchCollection \
  -index indexes/lucene-inverted.msmarco-v2.1-doc/ \
  -topics tools/topics-and-qrels/topics.dl21.txt \
  -topicReader TsvInt \
  -output runs/run.msmarco-v2.1-doc.bm25-default+rm3.topics.dl21.txt \
  -hits 1000 -bm25 -rm3 -collection MsMarcoV2DocCollection &

bin/run.sh io.anserini.search.SearchCollection \
  -index indexes/lucene-inverted.msmarco-v2.1-doc/ \
  -topics tools/topics-and-qrels/topics.dl21.txt \
  -topicReader TsvInt \
  -output runs/run.msmarco-v2.1-doc.bm25-default+rocchio.topics.dl21.txt \
  -hits 1000 -bm25 -rocchio -collection MsMarcoV2DocCollection &

Evaluation can be performed using trec_eval:

bin/trec_eval -c -M 100 -m map tools/topics-and-qrels/qrels.dl21-doc-msmarco-v2.1.txt runs/run.msmarco-v2.1-doc.bm25-default.topics.dl21.txt
bin/trec_eval -c -m recall.100 tools/topics-and-qrels/qrels.dl21-doc-msmarco-v2.1.txt runs/run.msmarco-v2.1-doc.bm25-default.topics.dl21.txt
bin/trec_eval -c -m recall.1000 tools/topics-and-qrels/qrels.dl21-doc-msmarco-v2.1.txt runs/run.msmarco-v2.1-doc.bm25-default.topics.dl21.txt
bin/trec_eval -c -M 100 -m recip_rank -c -m ndcg_cut.10 tools/topics-and-qrels/qrels.dl21-doc-msmarco-v2.1.txt runs/run.msmarco-v2.1-doc.bm25-default.topics.dl21.txt

bin/trec_eval -c -M 100 -m map tools/topics-and-qrels/qrels.dl21-doc-msmarco-v2.1.txt runs/run.msmarco-v2.1-doc.bm25-default+rm3.topics.dl21.txt
bin/trec_eval -c -m recall.100 tools/topics-and-qrels/qrels.dl21-doc-msmarco-v2.1.txt runs/run.msmarco-v2.1-doc.bm25-default+rm3.topics.dl21.txt
bin/trec_eval -c -m recall.1000 tools/topics-and-qrels/qrels.dl21-doc-msmarco-v2.1.txt runs/run.msmarco-v2.1-doc.bm25-default+rm3.topics.dl21.txt
bin/trec_eval -c -M 100 -m recip_rank -c -m ndcg_cut.10 tools/topics-and-qrels/qrels.dl21-doc-msmarco-v2.1.txt runs/run.msmarco-v2.1-doc.bm25-default+rm3.topics.dl21.txt

bin/trec_eval -c -M 100 -m map tools/topics-and-qrels/qrels.dl21-doc-msmarco-v2.1.txt runs/run.msmarco-v2.1-doc.bm25-default+rocchio.topics.dl21.txt
bin/trec_eval -c -m recall.100 tools/topics-and-qrels/qrels.dl21-doc-msmarco-v2.1.txt runs/run.msmarco-v2.1-doc.bm25-default+rocchio.topics.dl21.txt
bin/trec_eval -c -m recall.1000 tools/topics-and-qrels/qrels.dl21-doc-msmarco-v2.1.txt runs/run.msmarco-v2.1-doc.bm25-default+rocchio.topics.dl21.txt
bin/trec_eval -c -M 100 -m recip_rank -c -m ndcg_cut.10 tools/topics-and-qrels/qrels.dl21-doc-msmarco-v2.1.txt runs/run.msmarco-v2.1-doc.bm25-default+rocchio.topics.dl21.txt

Effectiveness

With the above commands, you should be able to reproduce the following results:

MAP@100 BM25 (default) +RM3 +Rocchio
DL21 (Doc) 0.2281 0.2652 0.2678
MRR@100 BM25 (default) +RM3 +Rocchio
DL21 (Doc) 0.8466 0.8044 0.8030
nDCG@10 BM25 (default) +RM3 +Rocchio
DL21 (Doc) 0.5183 0.5324 0.5393
R@100 BM25 (default) +RM3 +Rocchio
DL21 (Doc) 0.3502 0.3727 0.3867
R@1000 BM25 (default) +RM3 +Rocchio
DL21 (Doc) 0.6915 0.7623 0.7623