Data processing: database and file management or data structures – Database design – Data structure types
Reexamination Certificate
2006-12-12
2006-12-12
Corrielus, Jean M. (Department: 2162)
Data processing: database and file management or data structures
Database design
Data structure types
C707S793000, C707S793000, C707S793000
Reexamination Certificate
active
07149746
ABSTRACT:
A computer program product is provided that uses data examples as a basis for understanding and refining declarative schema mappings. The system of the present invention identifies a set of intuitive operators for manipulating examples including establishing value correspondences, data linking, data trimming, data walking, and data chasing. These operators allow a user to follow and refine an example by walking through a data source. In addition, these operators can identify a large class of schema mappings and distinguish effectively between alternative schema mappings. With these operators, a user is able to quickly and intuitively build and refine complex data transformation queries that map one data source into another while continuously verifying that the mapping is accurate and appropriate.
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“Data-Driven Understanding and Refinement of Schema Mappings”—Ling Ling Yan, Renee J. Miller, Laura M. Haas & Ronal Fagin—ACM Sigmod May 21-24, 2001 (PPs: 1-12).
Yan, Ling Ling et al. “Data-Driven Understanding and Refinement of Schema Mappings,” ACM Signod May 21-24, 2001.
Fagin Ronald
Haas Laura Myers
Hernandez-Sherrington Mauricio Antonio
Miller Renee J.
Naumann Felix Gerhard
Corrielus Jean M.
International Business Machines - Corporation
Kassatly Samuel A.
Ly Anh
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