3969 search results - page 540 / 794 » Query Processing Using Ontologies |
156
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UML
2000
Springer
15 years 10 months ago
2000
Springer
We propose a methodology for hypermedia design which is based on a UML profile for the hypermedia domain. Starting with a use case analysis and a conceptual model of the applicatio...
291
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GIS
2004
ACM
16 years 7 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...
269
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SIGMOD
2009
ACM
16 years 6 months ago
2009
ACM
Existing work in the skyline literature focuses on optimizing the processing cost. This paper aims at minimization of the communication overhead in client-server architectures, wh...
180
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VLDB
1994
ACM
15 years 10 months ago
1994
ACM
This paper introduces a formalism to describe the needs and preferences of database users. Because of the precise formulation of these concepts, we have found an automatic and ver...
381
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PODS
2009
ACM
16 years 7 months ago
2009
ACM
Skyline computation is widely used in multi-criteria decision making. As research in uncertain databases draws increasing attention, skyline queries with uncertain data have also ...