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CORR
2007
Springer
98views Education» more  CORR 2007»
13 years 7 months ago
Guarded Hybrid Knowledge Bases
Recently, there has been a lot of interest in the integration of Description Logics and rules on the Semantic Web. We define guarded hybrid knowledge bases (or g-hybrid knowledge...
Stijn Heymans, Jos de Bruijn, Livia Predoiu, Crist...
AMW
2010
13 years 9 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
ECAI
2010
Springer
13 years 9 months ago
On Semantic Update Operators for Answer-Set Programs
Logic programs under the stable models semantics, or answer-set programs, provide an expressive rule based knowledge representation framework, featuring formal, declarative and wel...
Martin Slota, João Leite
DATE
2010
IEEE
183views Hardware» more  DATE 2010»
14 years 28 days ago
Multithreaded code from synchronous programs: Extracting independent threads for OpenMP
—Synchronous languages offer a deterministic model of concurrency at the level of actions. However, essentially all compilers for synchronous languages compile these actions into...
Daniel Baudisch, Jens Brandt, Klaus Schneider
KR
2010
Springer
13 years 5 months ago
On the Progression Semantics and Boundedness of Answer Set Programs
In this paper, we propose a progression semantics for firstorder answer set programs. Based on this new semantics, we are able to define the notion of boundedness for answer set p...
Yan Zhang, Yi Zhou