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System for improving the performance of information retrieval-type tasks by identifying the relations of constituents

  • US 7,269,594 B2
  • Filed: 10/04/2004
  • Issued: 09/11/2007
  • Est. Priority Date: 06/18/1999
  • Status: Expired due to Fees
First Claim
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1. A computer readable medium storing an index of textual material used to enable a computing device to determine a relationship between first and second textual inputs, the index comprising a data structure including:

  • a plurality of constituents from the textual material, the plurality of constituents having a predetermined usefulness in determining the relationship based on case information corresponding to the constituents in the textual material, or relations of constituents in the textual material.

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