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

  • US 7,206,787 B2
  • Filed: 10/04/2004
  • Issued: 04/17/2007
  • Est. Priority Date: 06/18/1999
  • Status: Expired due to Term
First Claim
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1. A computer-implemented method of identifying aspects of constituents in a textual input that are useful in determining a meaning of a textual input, the aspects comprising relation or case information, the method comprising:

  • (a) selecting a first aspect;

    (b) identifying constituents in a textual corpus corresponding to the selected aspect; and

    (c) obtaining an indication of the usefulness of the identified constituents in determining the meaning of the textual input, wherein selecting a first aspect (c) comprises selecting a first relation;

    (d) repeating steps (a)–

    (c) for each desired relation; and

    (e) ranking the desired relations in a relation hierarchy based on the indication of usefulness for each desired relation.

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