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» Modal Logics, Description Logics and Arithmetic Reasoning
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ADC
2006
Springer
142views Database» more  ADC 2006»
15 years 3 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
DEXAW
2002
IEEE
99views Database» more  DEXAW 2002»
15 years 2 months ago
Using Preference Order in Ontologies
The latest ontology languages can be translated into a description logic (DL), thus providing them with a formal semantics and associated reasoning procedures. We introduce the or...
Stijn Heymans, Dirk Vermeir
FROCOS
2009
Springer
15 years 4 months ago
Putting ABox Updates into Action
When trying to apply recently developed approaches for updating Description Logic ABoxes in the context of an action programming language, one encounters two problems. First, upda...
Conrad Drescher, Hongkai Liu, Franz Baader, Steffe...
RML
2002
82views Business» more  RML 2002»
14 years 9 months ago
A Nonmonotonic Rule System using Ontologies
The development of the Semantic Web proceeds in layers. Currently the most advanced layer that has reached maturity is the ontology layer, in the form of the DAML+OIL language whic...
Grigoris Antoniou
LPNMR
2005
Springer
15 years 3 months ago
Some Logical Properties of Nonmonotonic Causal Theories
The formalism of nonmonotonic causal theories (Giunchiglia, Lee, Lifschitz, McCain, Turner, 2004) provides a general-purpose formalism for nonmonotonic reasoning and knowledge repr...
Marek J. Sergot, Robert Craven