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Method and apparatus for testing a data retrieval system

  • US 6,694,459 B1
  • Filed: 01/14/1999
  • Issued: 02/17/2004
  • Est. Priority Date: 01/14/1999
  • Status: Expired due to Term
First Claim
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1. A method of testing a data retrieval system comprising the steps of:

  • receiving a query for information from a data set, the data set comprising a plurality records, each of the plurality of records having a plurality of fields;

    retrieving, using the data retrieval system, a data value and a code from a record in a data set, the code being correlated to an attribute of the data value, and located in the same field of the same record as the data value; and

    analyzing the code to determine the correctness of the attribute, wherein the data retrieval system is deemed defective if the attribute is incorrect.

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