11573 search results - page 438 / 2315 » Designing Relational Databases |
212
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CLA
2004
15 years 8 months ago
2004
Ontologies, often defined as an explicit specification of conceptualization, are necessary for knowledge representation and knowledge exchange. Usually this means that ontology des...
269
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ICDE
1999
IEEE
16 years 8 months ago
1999
IEEE
We develop a data integration approach for the efficient evaluation of queries over autonomous source databases. The approach is based on some novel applications and extensions of...
312
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GIS
2004
ACM
16 years 8 months ago
2004
ACM
Sensor networks are unattended deeply distributed systems whose schema can be conceptualized using the relational model. Aggregation queries on the data sampled at each ode are th...
189
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SAC
2010
ACM
16 years 1 months ago
2010
ACM
Biological scientists have made large amounts of data available on the Web, which can be accessed by canned or precomputed queries presented via web forms. To satisfy further info...
197
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EDBT
2010
ACM
16 years 1 months ago
2010
ACM
There are two broad approaches to query evaluation over probabilistic databases: (1) Intensional Methods proceed by manipulating expressions over symbolic events associated with u...