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» Inverting schema mappings
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JODS
2008
123views Data Mining» more  JODS 2008»
13 years 7 months ago
The Harmony Integration Workbench
A key aspect of any data integration endeavor is determining the relationships between the source schemata and the target schema. This schema integration task must be tackled regar...
Peter Mork, Len Seligman, Arnon Rosenthal, Joel Ko...
CORR
2011
Springer
165views Education» more  CORR 2011»
12 years 11 months ago
Data Base Mappings and Theory of Sketches
In this paper we will present the two basic operations for database schemas used in database mapping systems (separation and Data Federation), and we will explain why the functoria...
Zoran Majkic
ICDE
2005
IEEE
120views Database» more  ICDE 2005»
14 years 9 months ago
Corpus-based Schema Matching
Schema Matching is the problem of identifying corresponding elements in different schemas. Discovering these correspondences or matches is inherently difficult to automate. Past s...
Jayant Madhavan, Philip A. Bernstein, AnHai Doan, ...
ICDT
2010
ACM
195views Database» more  ICDT 2010»
13 years 11 months ago
Answering Non-Monotonic Queries in Relational Data Exchange
Relational data exchange deals with translating a relational database instance over some source schema into a relational database instance over some target schema, according to a ...
André Hernich
ICDT
2010
ACM
161views Database» more  ICDT 2010»
14 years 5 months ago
Composition with Target Constraints
It is known that the composition of schema mappings, each specified by source-to-target tgds (st-tgds), can be specified by a secondorder tgd (SO tgd). We consider the question of...
Marcelo Arenas, Ronald Fagin, Alan Nash