May 26, 2018

Probabilistic text search database engine

Xapian is an Open Source Probabilistic Information Retrieval library, released under the GPL. It’s written in C++, with bindings to allow use from other languages.

Xapian is designed to be a highly adaptable toolkit to allow developers to easily add advanced indexing and search facilities to their own applications.

Xapian features include

  • Ranked probabilistic search - word importance weighting
  • Relevance feedback
  • Phrase and proximity searching
  • Full range of structured boolean search operators
  • Term stemming
  • Database files > 2GB
  • Platform independent data formats
  • Allows simultaneous update and searching.

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