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System and method for performing similarity searching using pointer optimization

  • US 6,738,759 B1
  • Filed: 07/07/2000
  • Issued: 05/18/2004
  • Est. Priority Date: 07/07/2000
  • Status: Expired due to Term
First Claim
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1. A computer implemented method for optimizing similarity searching while detecting and scoring similarities between documents and a search criteria comprising:

  • a. using a set of hierarchical documents having root, interior and leaf nodes, wherein the leaf nodes contain data items;

    b. using assigned unique identifiers assigned to each unique data item contained within each leaf node in the set of documents, wherein each associated unique identifier, unique data item and leaf node are entered into a data structure called a data band, the unique identifiers being unique within a selected context in the set of hierarchical documents;

    c. for each data item in each leaf node, computing a data item numerical score that represents a quantitative measure of the similarity between the data item in the leaf node and the search criteria using a scoring method; and

    d. using parent score computing and weighting algorithms, computing interior and root node scores from the leaf node data item similarity scores;

    e. whereby the search criteria is created by a user for specifying a scoring method, parent score algorithm, weighting algorithms, and indices linking each root, interior and leaf node connection.

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