1791 search results - page 316 / 359 » Semantics and Complexity of SPARQL |
139
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OTM
2005
Springer
15 years 9 months ago
2005
Springer
We propose to enhance a schema integration process with a validation phase employing logic-based data models. In our methodology, we validate the source schemas against the data mo...
132
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JELIA
2004
Springer
15 years 9 months ago
2004
Springer
Logical formalisation of agent behaviour is desirable, not only in order to provide a clear semantics of agent-based systems, but also to provide the foundation for sophisticated r...
139
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KR
2004
Springer
15 years 9 months ago
2004
Springer
Disjunction is generally considered to add expressive power to logic programs under the stable model semantics, which have become a popular programming paradigm for knowledge repr...
119
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CICLING
2010
Springer
15 years 9 months ago
2010
Springer
We introduce an Information Extraction (IE) system which uses the logical theory of an ontology as a generalisation of the typical information extraction patterns to extract biolog...
136
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SEMWEB
2001
Springer
15 years 8 months ago
2001
Springer
Abstract. The upper-level ontologies are theories that capture the most common concepts, which are relevant for many of the tasks involving knowledge extraction, representation, an...