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Method and system for providing aggregate data access

  • US 20060020580A1
  • Filed: 07/22/2004
  • Published: 01/26/2006
  • Est. Priority Date: 07/22/2004
  • Status: Active Grant
First Claim
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1. A method for providing access to aggregate data values, comprising:

  • providing an abstract data layer comprising a set of logical fields for composing an abstract query, wherein each logical field provides an access method that specifies at least a method for accessing data corresponding to the logical field, and wherein the method for accessing data specified by at least one logical field comprises an aggregate access method that specifies a set of input data and an expression for determining an aggregate data value from the set of input data;

    receiving, from a requesting entity, an abstract query composed from the set of logical fields that includes the at least one logical field specifying an aggregate access method;

    retrieving the set of input data specified by the aggregate access method;

    calculating at least one aggregate data value from the set of input data according to the expression specified by the aggregate access method.

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