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Apparatus for and method of disambiguation of directory listing searches utilizing multiple selectable secondary search keys

  • US 6,421,672 B1
  • Filed: 07/27/1999
  • Issued: 07/16/2002
  • Est. Priority Date: 07/27/1999
  • Status: Expired due to Term
First Claim
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1. An information retrieval system comprising:

  • a data base including a plurality of records, each of said records including a primary key field storing first identification data, a plurality of selectable secondary key fields storing respective secondary data, and a target information field storing requested data;

    an input processor receiving input identification data;

    a search engine responsive to said input identification data for accessing said data base, comparing said input identification data with said first identification data and, in response, identifying selected ones of said records;

    a processor identifying one of said secondary key fields corresponding to said selected ones of said records which respective secondary data stored in said identified secondary key fields distinguishes one or more of said selected ones of said records from the others; and

    an output device connected to provide a prompt including said secondary data for soliciting an input designating one or more of said selected ones of said records.

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