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Compressing index files in information retrieval

  • US 20030144995A1
  • Filed: 01/25/2002
  • Published: 07/31/2003
  • Est. Priority Date: 01/25/2002
  • Status: Active Grant
First Claim
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1. A method for compressing an index file in an information retrieval system that retrieves information from a plurality of documents, each of the plurality of documents having features occurring therein, the method comprising the step of:

  • representing occurrence frequencies of the features in the plurality of documents in a compressed format in the index file.

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