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» Ontology: Use and Abuse
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FOIS
2008
15 years 8 months ago
On the Syntax and Semantics of Effect Axioms
Effect axioms constitute the cornerstone of formal theories of action in AI. They drive standard reasoning tasks, especially prediction. These tasks need not be coupled with actual...
Haythem O. Ismail
IJCAI
2007
15 years 8 months ago
Embedding Non-Ground Logic Programs into Autoepistemic Logic for Knowledge-Base Combination
In the context of the Semantic Web, several approaches to the combination of ontologies, given in terms of theories of classical first-order logic, and rule bases have been propo...
Jos de Bruijn, Thomas Eiter, Axel Polleres, Hans T...
OWLED
2007
15 years 8 months ago
SPARQL-DL: SPARQL Query for OWL-DL
There are many query languages (QLs) that can be used to query RDF and OWL ontologies but neither type is satisfactory for querying OWL-DL ontologies. RDF-based QLs (RDQL, SeRQL, S...
Evren Sirin, Bijan Parsia
AICOM
2008
95views more  AICOM 2008»
15 years 6 months ago
A multilayer ontology-based hybrid recommendation model
We propose a novel hybrid recommendation model in which user preferences and item features are described in terms of semantic concepts defined in domain ontologies. The exploitati...
Iván Cantador, Alejandro Bellogín, P...
DKE
2008
208views more  DKE 2008»
15 years 6 months ago
Deploying defeasible logic rule bases for the semantic web
Logic is currently the target of the majority of the upcoming efforts towards the realization of the Semantic Web vision, namely making the content of the Web accessible not only t...
Efstratios Kontopoulos, Nick Bassiliades, Grigoris...