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» A Semantic Approach to Discovering Schema Mapping Expression...
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CSB
2005
IEEE
142views Bioinformatics» more  CSB 2005»
13 years 11 months ago
BioMap: Discovering Schema Mapping Using Ontologies
Biologists currently devote significant time and effort searching information for their research. The wide diversity in terminology used inhibit effective computerized and manual...
Zoé Lacroix, Sumedha Gholba, Hervé M...
PODS
2008
ACM
165views Database» more  PODS 2008»
14 years 6 months ago
Data exchange and schema mappings in open and closed worlds
In the study of data exchange one usually assumes an openworld semantics, making it possible to extend instances of target schemas. An alternative closed-world semantics only move...
Leonid Libkin, Cristina Sirangelo
AIMSA
2004
Springer
13 years 11 months ago
Coordinating Semantic Peers
Abstract. The problem of finding an agreement on the meaning of heterogeneous schemas is one of the key issues in the development of the Semantic Web. In this paper, we propose a ...
Paolo Bouquet, Luciano Serafini, Stefano Zanobini
VLDB
2005
ACM
165views Database» more  VLDB 2005»
13 years 11 months ago
Semantic Adaptation of Schema Mappings when Schemas Evolve
Schemas evolve over time to accommodate the changes in the information they represent. Such evolution causes invalidation of various artifacts depending on the schemas, such as sc...
Cong Yu, Lucian Popa
DEXAW
2009
IEEE
114views Database» more  DEXAW 2009»
13 years 9 months ago
A Meta-Framework for Generating Ontologies from Legacy Schemas
A huge amount of schemas are expressed within outdated schema languages which are restricted concerning expressiveness, extensibility, readability, and understandability. Consequen...
Manuel Wimmer