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Additional Anserini Documentation

📃 More Guides

The experiments described below are not associated with rigorous end-to-end reproduction testing and thus provide a lower standard of reproducibility. For the most part, manual copying and pasting of commands into a shell is required to reproduce our results.

MS MARCO V1

MS MARCO V2

TREC-COVID and CORD-19

Other Experiments and Features

📜️ Release History

📜️ Historical Notes

  • Anserini was upgraded to Lucene 10.4.0 at c6eed6 (2026/04/12) as part of v2.0.0. Lucene 9 indexes remain readable, but older code is unable to read indexes generated by Lucene 10.
  • Anserini was upgraded from JDK 11 to JDK 21 at commit 272565 (2024/04/03), which corresponds to the release of v0.35.0.
  • Anserini was upgraded to Lucene 9.3 at commit 272565 (8/2/2022): this upgrade created backward compatibility issues, see #1952. Anserini will automatically detect Lucene 8 indexes and disable consistent tie-breaking to avoid runtime errors. However, Lucene 9 code running on Lucene 8 indexes may give slightly different results than Lucene 8 code running on Lucene 8 indexes. Lucene 8 code will not run on Lucene 9 indexes. Pyserini has also been upgraded and similar issues apply: Lucene 9 code running on Lucene 8 indexes may give slightly different results than Lucene 8 code running on Lucene 8 indexes.
  • Anserini was upgraded to Java 11 at commit 17b702d (7/11/2019) from Java 8. Maven 3.3+ is also required.
  • Anserini was upgraded to Lucene 8.0 as of commit 75e36f9 (6/12/2019); prior to that, the toolkit uses Lucene 7.6. Based on preliminary experiments, query evaluation latency has been much improved in Lucene 8. As a result of this upgrade, results of all reproductions have changed slightly. To reproducible old results from Lucene 7.6, use v0.5.1.

🙏 Acknowledgments

This research is supported in part by the Natural Sciences and Engineering Research Council (NSERC) of Canada. Previous support came from the U.S. National Science Foundation under IIS-1423002 and CNS-1405688. Any opinions, findings, and conclusions or recommendations expressed do not necessarily reflect the views of the sponsors.