Data processing: database and file management or data structures – Database design – Data structure types
Reexamination Certificate
2006-02-07
2006-02-07
Wassum, Luke S (Department: 2162)
Data processing: database and file management or data structures
Database design
Data structure types
C707S793000
Reexamination Certificate
active
06996558
ABSTRACT:
The present invention generally is directed to a system, method and article of manufacture for accessing data independent of the particular manner in which the data is physically represented. In one embodiment, a data repository abstraction layer provides a logical view of the underlying data repository that is independent of the particular manner of data representation. A query abstraction layer is also provided and is based on the data repository abstraction layer. A runtime component performs translation of an abstract query into a form that can be used against a particular physical data representation.
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patent: 6725227 (2004-04-01), Li
patent: 2002/0078068 (2002-06-01), Krishnaprasad et al.
IBM U.S. Appl. No. 10/132,228, filed on Apr. 25, 2002, “Dynamic End User Specific Customization of an Application's Physical Data Layer Through a Data Repository Abstraction Layer” (ROC920020088US1).
IBM U.S. Appl. No. 10/131,984, filed on Apr. 25, 2002, “Remote Data Access and Integration of Distributed Data Sources Through Data Schema and Query Abstraction” (ROC920020089US1).
IBM U.S. Appl. No. 10/153,977, filed May 23, 2002, “Dynamic Content Generation /Regeneration for a Database Schema Abstraction” (ROC920020096US1).
Dettinger Richard Dean
Johnson Peter John
Stevens Richard Joseph
Tong Ikhua
Will Eric
Liang Gwen
Moser Patterson & Sheridan LLP
Wassum Luke S
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