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Dynamic end user specific customization of an application's physical data layer through a data repository abstraction layer

  • US 6,928,431 B2
  • Filed: 04/25/2002
  • Issued: 08/09/2005
  • Est. Priority Date: 04/25/2002
  • Status: Active Grant
First Claim
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1. A computer-implemented method for providing access to data having a particular physical data representation, comprising:

  • performing an operation by a computer, the operation comprising;

    providing a data repository abstraction based on a plurality of logical fields for defining abstract queries;

    providing a first set of mapping rules which map at least a first portion of the plurality of logical fields to a first plurality of physical entities of the data;

    providing a second set of mapping rules which map at least a second portion of the plurality logical fields to a second plurality of physical entities of the data;

    accessing only the first set of mapping rules for all abstract queries issued by a first user, and accessing only the second set of mapping rules for all abstract queries issued by a second user.

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