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Pyserini Release Notes (v0.9.2.0)

Release date: May 15, 2020

  • Refactored SimpleSearcher to keep up with underlying changes in Anserini.
  • Exposed num_docs in SimpleSearcher.
  • Exposed Lucene query building blocks in pyquerybuilder.
  • Exposed options for setting BM25 parameters when computing BM25 term weights in IndexReaderUtils.
  • Added Cord19Article to provide support for manipulating CORD-19 articles in pycollection.
  • Added documentation for reading CORD-19 via the Collection API; supports data drop of 2020/05/12.
  • Known issue: new methods for computing query-document scores have not be properly "wired up" in Pyserini yet.

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