2228 search results - page 154 / 446 » A System for Semantic Query Optimization |
VLDB
2005
ACM
15 years 3 months ago
2005
ACM
As a simple XML query language but with enough expressive power, XPath has become very popular. To expedite evaluation of XPath queries, we consider the problem of rewriting XPath...
SEBD
2007
14 years 11 months ago
2007
The use of ontologies in various application domains, such as Data Integration, the Semantic Web, or ontology-based data management, where ontologies provide the access to large am...
163
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ICDE
2007
IEEE
15 years 11 months ago
2007
IEEE
Probabilistic databases have received considerable attention recently due to the need for storing uncertain data produced by many real world applications. The widespread use of pr...
93
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CIDR
2009
14 years 11 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...
102
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SEMWEB
2005
Springer
15 years 3 months ago
2005
Springer
This paper presents SERSE – SEmantic Routing SystEm– a distributed multi-agent system composed of specialised agents that provides robust and efficient gathering and aggregati...