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Navigation in a hierarchical structured transaction processing system

  • US 7,260,567 B2
  • Filed: 03/11/2004
  • Issued: 08/21/2007
  • Est. Priority Date: 11/19/2002
  • Status: Expired due to Fees
First Claim
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1. A method performed by a program executed by a processor to navigate among an arranged group of nodes, each of the nodes having an associated verbal description, the method comprising:

  • eliminating stop words and duplicates from the verbal descriptions to create a list of keywords;

    creating a list of thesaurus words;

    creating a first matrix comprising a correlation of at least some thesaurus words with at least some keywords;

    creating a second matrix by calculating cosine values from a co-occurrence analysis of the entries in the first matrix;

    determining a synonymy among the at least some thesaurus words and the at least some keywords; and

    creating a thesaurus configured as an inverted index based upon the synonomy.

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