Data processing: database and file management or data structures – Database design – Data structure types
Reexamination Certificate
2006-03-07
2006-03-07
Gaffin, Jeffrey (Department: 2165)
Data processing: database and file management or data structures
Database design
Data structure types
C707S793000, C707S793000, C717S146000
Reexamination Certificate
active
07010539
ABSTRACT:
A system and method for generating a source schema-to-target schema mapping includes grouping user-defined value correspondences into potential sets such that, for each potential set, at most one value correspondence per target attribute exists. The value correspondences represent functions and filters for deriving values of target attributes from values of source attributes. Candidate sets are selected from the potential sets and then grouped into ranked covers. Using the best cover, an SQL query representing a source schema-to-target schema mapping is generated.
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Haas Laura Myers
Hernandez-Sherrington Mauricio Antonio
Miller Renee J.
Gaffin Jeffrey
Mahmoudi Hassan
Rogitz John L.
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