7576 search results - page 385 / 1516 » On Querying Ontologies and Databases |
218
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CIDR
2009
15 years 8 months ago
2009
In database query processing, actual run-time conditions (e.g., actual selectivities and actual available memory) very often differ from compile-time expectations of run-time cond...
218
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ICWE
2004
Springer
16 years 1 months ago
2004
Springer
Lookup of services is an important issues in many distributed systems. This paper deals with lookup in service-oriented architectures, such as Web services, P2P systems, GRIDs, or ...
211
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CIVR
2007
Springer
16 years 1 months ago
2007
Springer
This paper describes the technical details of SemRetriev, a prototype system for image retrieval which combines the use of an ontology which structures an image repository and of ...
302
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SIGMOD
2009
ACM
16 years 7 months ago
2009
ACM
Keeping the test databases as small as possible leads to faster execution of tests and facilitates the task of completing the test cases and evaluating the actual outputs against ...
362
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ICDE
2007
IEEE
16 years 9 months ago
2007
IEEE
We study the problem of answering queries posed on virtual views of XML documents, a problem commonly encountered when enforcing XML access control and integrating data. We approa...