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Identifier vocabulary data access method and system

  • US 6,826,566 B2
  • Filed: 01/14/2003
  • Issued: 11/30/2004
  • Est. Priority Date: 01/14/2002
  • Status: Active Grant
First Claim
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1. A method of creating a Boolean expression for identifying data Items in a database, comprising:

  • a) initiating controlled-vocabulary formation of a query by presenting to a user a plurality of ItemSelectors each having a Boolean property associated therewith;

    b) accepting a plurality of ItemSelectors selected by the user from among the presented plurality of ItemSelectors, the accepted plurality of ItemSelectors including;

    i) at least a first ItemSelector having a first Boolean property associated therewith, and ii) at least a second ItemSelector having a different second Boolean property associated therewith; and

    c) deriving from the accepted ItemSelectors a Boolean expression encompassing the first ItemSelector and the second ItemSelector and reflecting the Boolean property of the first ItemSelector and the Boolean property of the second ItemSelector;

    wherein each ItemSelector presented for selection by the user has previously been determined to describe at least one data Item in the database, when combined according to the corresponding Boolean properties with other ItemSelectors presently selected by the user.

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