4955 search results - page 346 / 991 » Ontologies and the semantic web |
162
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IDEAS
2005
IEEE
16 years 8 days ago
2005
IEEE
Traditional approaches to query processing aim at rewriting a given query into another more efficient one that uses less time and/or resources during the execution. There by, the...
203
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EKAW
2006
Springer
15 years 10 months ago
2006
Springer
In today's world there is a need for knowledge infrastructures that can support several autonomous knowledge bases all using different ontologies and constantly adapting thes...
194
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BIS
2006
15 years 8 months ago
2006
The problem of the semantics-preserving data transformations during their exchange by e-business applications is addressed. A method for automatic generation of schema mappings is...
164
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SEMWEB
2004
Springer
16 years 1 days ago
2004
Springer
Both OWL-DL and function-free Horn rules3 are decidable logics with interesting, yet orthogonal expressive power: from the rules perspective, OWL-DL is restricted to tree-like rule...
189
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MEDINFO
2007
15 years 8 months ago
2007
Managing time-stamped data is essential to clinical research activities and often requires the use of considerable domain knowledge, which is difficult to support within database ...