Fast Full Text Search based on BM25

An Open-Source tools for developers to help them find the possible duplicate bug report before assign it to others. This engine shows the 20 top similar reports to developers to easily find the duplicate one.

Minimalistic, customizable module for creating basic full-text search indices and queries using the BM25F algorithm.

A fast implementation of the BM25F ranking algorithm for information retrieval systems, written in Ruby.

A library for the collection of common low-level features used in learning-to-rank algorithms.