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» On Querying Ontologies with Contextual Logic Programming
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AMW
2010
13 years 6 months ago
Query Rewriting under Non-Guarded Rules
We address the problem of answering conjunctive queries over knowledge bases, specified by sets of first-order sentences called tuple-generating dependencies (TGDs). This problem i...
Andrea Calì, Georg Gottlob, Andreas Pieris
ICLP
2005
Springer
13 years 10 months ago
OWL: A Description Logic Based Ontology Language
Abstract Description Logics (DLs) are a family of class (concept) based knowledge representation formalisms. They are characterised by the use of various constructors to build comp...
Ian Horrocks
FOIKS
2006
Springer
13 years 8 months ago
Reasoning Support for Expressive Ontology Languages Using a Theorem Prover
It is claimed in [45] that first-order theorem provers are not efficient for reasoning with ontologies based on description logics compared to specialised description logic reasone...
Ian Horrocks, Andrei Voronkov
ESWS
2007
Springer
13 years 11 months ago
A Reasoning Framework for Rule-Based WSML
WSML is an ontology language specifically tailored to annotate Web Services, and part of its semantics adheres to the rule-based knowledge representation paradigm of logic program...
Stephan Grimm, Uwe Keller, Holger Lausen, Gá...
IJSC
2008
95views more  IJSC 2008»
13 years 5 months ago
Beyond Information Silos - an Omnipresent Approach to Software Evolution
ifferent abstraction levels, resulting in isolated `information silos'. An increasing number of task-specific software tools aim to support developers, but this often results ...
Juergen Rilling, René Witte, Philipp Sch&uu...