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» Decomposing Description Logic Ontologies
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ADC
2006
Springer
142views Database» more  ADC 2006»
14 years 2 months ago
An optimization for query answering on ALC database
Query answering over OWLs and RDFs on the Semantic Web is, in general, a deductive process. To this end, OWL, a family of web ontology languages based on description logic, has be...
Pakornpong Pothipruk, Guido Governatori
AMW
2010
13 years 10 months ago
Updating ABoxes in DL-Lite
Abstract. We study the problem of instance level (ABox) updates for Knowledge Bases (KBs) represented in Description Logics of the DL-Lite family. DLLite is at the basis of OWL 2 Q...
Diego Calvanese, Evgeny Kharlamov, Werner Nutt, Dm...
DEXAW
2003
IEEE
113views Database» more  DEXAW 2003»
14 years 1 months ago
Integrating Ontology Languages and Answer Set Programming
We integrate ontology languages and logic programming (LP) by extending disjunctive logic programs (DLPs) and their semantics in order to support inverses and an infinite univers...
Stijn Heymans, Dirk Vermeir
ISMVL
2010
IEEE
221views Hardware» more  ISMVL 2010»
14 years 1 months ago
An Ontology Mediated Multimedia Information Retrieval System
We outline DL-Media, an ontology mediated multimedia information retrieval system, which combines logic-based retrieval with multimedia featurebased similarity retrieval. An ontolo...
Umberto Straccia
DLOG
2007
13 years 11 months ago
DLMedia: an Ontology Mediated Multimedia Information Retrieval System
We outline DLMedia, an ontology mediated multimedia information retrieval system, which combines logic-based retrieval with multimedia featurebased similarity retrieval. An ontolog...
Umberto Straccia, Giulio Visco