3969 search results - page 120 / 794 » Query Processing Using Ontologies |
161
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SAC
2011
ACM
14 years 7 months ago
2011
ACM
Data stream management systems (DSMSs) process continuous queries over streaming data in real-time adhering to quality of service requirements. The data streams generated from sen...
134
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ECAI
2004
Springer
15 years 10 months ago
2004
Springer
This paper presents an ontology-based approach for web querying, using semantic metadata. We propose a query language based on ontologies and emphasize its ability to express appro...
135
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BIS
2007
15 years 6 months ago
2007
Mailing list archives (i.e., the compilation of the messages posted up-to-now) are often published on the web and indexed by conventional search engines.They store a vast knowledg...
164
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AAAI
2010
15 years 6 months ago
2010
Conjunctive query answering is a key reasoning service for many ontology-based applications. In order to improve scalability, many Semantic Web query answering systems give up com...
165
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AI
2010
Springer
15 years 4 months ago
2010
Springer
We develop a formal framework for comparing different versions of ontologies, and apply it to ontologies formulated in terms of DL-Lite, a family of `lightweight' description...