1791 search results - page 316 / 359 » Semantics and Complexity of SPARQL |
163
click to vote
OTM
2005
Springer
15 years 11 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...
158
click to vote
JELIA
2004
Springer
15 years 11 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...
162
click to vote
KR
2004
Springer
15 years 11 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...
144
click to vote
CICLING
2010
Springer
15 years 11 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...
164
click to vote
SEMWEB
2001
Springer
15 years 10 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...