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PISA

Performant Indexes and Search for Academia

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  1. pisa pisa Public

    PISA: Performant Indexes and Search for Academia

    C++ 1.1k 77

  2. kentro kentro Public

    High-Performance K-Means Clustering Library

    Rust 41 3

  3. Porter2 Porter2 Public

    Porter2 stemming library

    C++ 5 4

  4. trecpp trecpp Public

    A C++ parser for the TREC document format.

    C++ 1

  5. wapopp wapopp Public

    A C++ parser for the Washington Post (WaPo) format.

    C++ 1

  6. warcpp warcpp Public

    A C++ parser for the Web Archive (WARC) format.

    C++ 4

Repositories

Showing 10 of 31 repositories
  • pisa Public

    PISA: Performant Indexes and Search for Academia

    pisa-engine/pisa's past year of commit activity
    C++ 1,056 Apache-2.0 77 56 (6 issues need help) 15 Updated Sep 8, 2026
  • guidekp Public

    GuideKP | SIGIR '26

    pisa-engine/guidekp's past year of commit activity
    Rust 0 Apache-2.0 0 0 0 Updated Jul 21, 2026
  • pisa-engine.github.io Public
    pisa-engine/pisa-engine.github.io's past year of commit activity
    JavaScript 0 0 0 0 Updated Mar 29, 2026
  • ciff-hub Public

    Hosting some useful CIFFs

    pisa-engine/ciff-hub's past year of commit activity
    3 Apache-2.0 0 0 0 Updated Jan 30, 2026
  • BMP Public

    Faster Learned Sparse Retrieval with Block-Max Pruning. ACM SIGIR 2024.

    pisa-engine/BMP's past year of commit activity
    Rust 37 Apache-2.0 4 0 2 Updated Jan 14, 2026
  • ciff Public

    The inverted index exchange format as defined as part of the Open-Source IR Replicability Challenge (OSIRRC) initiative

    pisa-engine/ciff's past year of commit activity
    Rust 11 Apache-2.0 4 1 2 Updated Aug 6, 2025
  • sprawl Public

    Fast and Effective Early Termination for Simple Ranking Functions

    pisa-engine/sprawl's past year of commit activity
    2 Apache-2.0 0 0 0 Updated Jul 7, 2025
  • kentro Public

    High-Performance K-Means Clustering Library

    pisa-engine/kentro's past year of commit activity
    Rust 41 3 1 0 Updated Jul 6, 2025
  • DeeperImpact Public Forked from basnetsoyuj/DeeperImpact

    Research on Learned Sparse Retrieval Derived from Transformers-based Ranking for Information Retrieval

    pisa-engine/DeeperImpact's past year of commit activity
    Python 2 9 0 3 Updated Jun 23, 2025
  • ConstBERT Public
    pisa-engine/ConstBERT's past year of commit activity
    14 1 2 0 Updated Jun 5, 2025
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