109 search results - page 10 / 22 » Exploiting Conjunctive Queries in Description Logic Programs |
219
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ICDE
1997
IEEE
16 years 1 months ago
1997
IEEE
2. ODB-QOPTIMIZER : the tool ODB-QOPTIMIZERis a ODMG 93 compliant tool for the schema validation and semantic query optimization. The approach is based on two fundamental ingredien...
145
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DLOG
2011
14 years 3 months ago
2011
W3C currently extends the SPARQL query language with so-called entailment regimes, which define how queries are evaluated using logical entailment relations. We describe a sound a...
116
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JELIA
2010
Springer
14 years 10 months ago
2010
Springer
Abstract. Nonmonotonic causal logic became a basis for the semantics of several expressive action languages. Norman McCain and Paolo Ferraris showed how to embed propositional caus...
SAC
2006
ACM
15 years 5 months ago
2006
ACM
We present a framework and an application for semanticbased retrieval of images. Our approach adopts a two-level ontology structure in a subset of OWL-DL. In the core ontology onl...
DLOG
2003
15 years 1 months ago
2003
We consider the problem of automated index selection for embedded control programs (ECPs). Such systems have the property that the transaction types, which can consist of queries ...