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System, method and apparatus for conducting a keyterm search

  • US 6,823,333 B2
  • Filed: 03/02/2001
  • Issued: 11/23/2004
  • Est. Priority Date: 03/02/2001
  • Status: Expired due to Fees
First Claim
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1. A method of searching a database comprising:

  • providing a plurality of relational models, wherein each of the plurality of relational models includes a relational model of at least one subset of a database and a plurality of relations, wherein each of the plurality of relations includes at least one term pair and one or more types of relational summation metrics (RSMs), each RSM type including a summation of values of the corresponding type of relational metric of occurrences of the at least one term pair within at least one context window within the at least one database subset and includes at least one of a right contextual metric (RCM) and a left contextual metric (LCM);

    inputting a first query for the database;

    creating a relational model of the first query;

    comparing the relational model of the first query to each one of the plurality of relational models of the subsets; and

    outputting a first plurality of identifiers of the subsets relevant to the first query.

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