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» The Complexity of Reasoning for Fragments of Default Logic
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SEBD
2007
121views Database» more  SEBD 2007»
14 years 11 months ago
Query Answering in Expressive Variants of DL-Lite
The use of ontologies in various application domains, such as Data Integration, the Semantic Web, or ontology-based data management, where ontologies provide the access to large am...
Alessandro Artale, Diego Calvanese, Roman Kontchak...
TIME
2009
IEEE
15 years 4 months ago
Model Checking CTL is Almost Always Inherently Sequential
The model checking problem for CTL is known to be P-complete (Clarke, Emerson, and Sistla (1986), see Schnoebelen (2002)). We consider fragments of CTL obtained by restricting the...
Olaf Beyersdorff, Arne Meier, Michael Thomas, Heri...
DLOG
2008
14 years 12 months ago
Realization Problem for Formal Concept Analysis
Formal Concept Analysis (FCA) is an approach to knowledge engineering, representation, and analysis. A `standard' FCA-workflow starts with some `experimental' data, class...
Nikolay Shilov
DLOG
2006
14 years 11 months ago
DL Actions with GCIs: a Pragmatic Approach
We recently proposed action formalisms based on description logics (DLs) as decidable fragments of well-established action theories such as the Situation Calculus and the Fluent C...
Hongkai Liu, Carsten Lutz, Maja Milicic, Frank Wol...
AI
2008
Springer
14 years 8 months ago
MEBN: A language for first-order Bayesian knowledge bases
Although classical first-order logic is the de facto standard logical foundation for artificial intelligence, the lack of a built-in, semantically grounded capability for reasonin...
Kathryn B. Laskey