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Method and system for schema matching of web databases

  • US 7,249,135 B2
  • Filed: 05/14/2004
  • Issued: 07/24/2007
  • Est. Priority Date: 05/14/2004
  • Status: Expired due to Fees
First Claim
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1. A method in a computer system for generating an occurrence cube, the method comprising:

  • for each global attribute of a domain of a database,for each interface attribute of the database,submitting queries to the database, each query having a value of the interface attribute of the database set to a global attribute value of the global attribute of the domain of the database; and

    for each result of each submitted query, counting the number of times the value of the global attribute occurs within each result attribute of the result; and

    for each global attribute, interface attribute, and result attribute combination, storing as an element of the occurrence cube an accumulation of the counts of the number of times the value of the global attribute occurs within each result attribute in a result from a query submitted with the interface attribute set to a global attribute value of the global attribute,wherein the stored elements form the occurrence cube.

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