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Information retrieval from a collection of data

  • US 7,702,677 B2
  • Filed: 03/11/2008
  • Issued: 04/20/2010
  • Est. Priority Date: 05/02/2000
  • Status: Expired due to Term
First Claim
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1. A computer-implemented method of accessing information from a collection of data comprising:

  • receiving a query;

    generating an inverse index of the collection of data that is augmented with category hierarchy information; and

    generating results to the query in conjunction with the inverse index by performing a search request of the inverse index, and using results from the search request with a search request of a relational database management system, wherein a match to an item in the inverse index also retrieves corresponding category hierarchy information stored with the inverse index, and the category hierarchy information is then mapped to items in the relational database management system in performing the search request of the relational database management system.

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