Phrase-based searching in an information retrieval system

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United States of America Patent

PATENT NO 9990421
SERIAL NO

15423138

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Abstract

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An information retrieval system uses phrases to index, retrieve, organize and describe documents. Phrases are identified that predict the presence of other phrases in documents. Documents are the indexed according to their included phrases. Related phrases and phrase extensions are also identified. Phrases in a query are identified and used to retrieve and rank documents. Phrases are also used to cluster documents in the search results, create document descriptions, and eliminate duplicate documents from the search results, and from the index.

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Patent Owner(s)

  • GOOGLE LLC

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Patterson, Anna L San Jose, US 20 564

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