413 search results - page 35 / 83 » Optimizing Queries Across Diverse Data Sources |
101
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ASP
2003
Springer
15 years 3 months ago
2003
Springer
Integration of data is required when accessing multiple databases within an organization or on the WWW. Schema integration is required for database interoperability, but it is curr...
ICC
2007
IEEE
15 years 4 months ago
2007
IEEE
— We study the cross-layer problem of combining routing and cooperative diversity in multi-hop, bandwidthconstrained networks with dedicated multiple access. Previous work in coo...
102
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EDBT
2008
ACM
15 years 10 months ago
2008
ACM
In the paper we discuss the problem of data integration in a P2P environment. In such setting each peer stores schema of its local data, mappings between the schema and schemas of...
107
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DLOG
2011
14 years 1 months ago
2011
Query answering in Ontology Based Data Access (OBDA) exploits the knowledge of an ontology’s TBox to deal with incompleteness of the ABox (or data source). Current query-answerin...
COOPIS
2003
IEEE
15 years 3 months ago
2003
IEEE
The use of semantic knowledge in its various forms has become an important aspect in managing data in database and information systems. In the form of integrity constraints, it ha...