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AI
2011
Springer
14 years 4 months ago
Local closed world reasoning with description logics under the well-founded semantics
An important question for the upcoming Semantic Web is how to best combine open world ontology languages, such as the OWL-based ones, with closed world rule-based languages. One o...
Matthias Knorr, José Júlio Alferes, ...
TOCL
2008
128views more  TOCL 2008»
14 years 9 months ago
A comprehensive combination framework
fragment enjoys suitable noetherianity conditions and admits an abstract version of a `KeislerShelah like' isomorphism theorem. We show that this general decidability transfer...
Silvio Ghilardi, Enrica Nicolini, Daniele Zucchell...
JACM
2010
137views more  JACM 2010»
14 years 8 months ago
Reconciling description logics and rules
Description logics (DLs) and rules are formalisms that emphasize different aspects of knowledge representation: whereas DLs are focused on specifying and reasoning about conceptual...
Boris Motik, Riccardo Rosati
DLOG
2010
14 years 7 months ago
Structure Preserving TBox Repair using Defaults
Unsatisfiable concepts are a major cause for inconsistencies in Description Logics knowledge bases. Popular methods for repairing such concepts aim to remove or rewrite axioms to r...
Thomas Scharrenbach, Rolf Grütter, Bettina Wa...
JODL
2000
123views more  JODL 2000»
14 years 9 months ago
On Z39.50 wrapping and description logics
Z39.50 is a client/server protocol widely used in digital libraries and museums for searching and retrieving information spread over a number of heterogeneous sources. To overcome ...
Yannis Velegrakis, Vassilis Christophides, Panos C...