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» Modal Logics, Description Logics and Arithmetic Reasoning
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AI
2011
Springer
15 years 1 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, ...
LFCS
2009
Springer
16 years 25 days ago
Fuzzy Description Logic Reasoning Using a Fixpoint Algorithm
We present FixIt(ALC), a novel procedure for deciding knowledge base (KB) satisfiability in the Fuzzy Description Logic (FDL) ALC. FixIt(ALC) does not search for tree-structured m...
Uwe Keller, Stijn Heymans
OTM
2007
Springer
16 years 12 days ago
Parallelizing Tableaux-Based Description Logic Reasoning
Practical scalability of Description Logic (DL) reasoning is an important premise for the adoption of OWL in a real-world setting. Many highly efficient optimizations for the DL ta...
Thorsten Liebig, Felix Müller
FSTTCS
2005
Springer
15 years 11 months ago
Fixpoint Logics on Hierarchical Structures
Hierarchical graph definitions allow a modular description of graphs using modules for the specification of repeated substructures. Beside this modularity, hierarchical graph de...
Stefan Göller, Markus Lohrey
JAR
2007
142views more  JAR 2007»
15 years 6 months ago
Reasoning in Description Logics by a Reduction to Disjunctive Datalog
As applications of description logics proliferate, efficient reasoning with knowledge bases containing many assertions becomes ever more important. For such cases, we developed a n...
Ullrich Hustadt, Boris Motik, Ulrike Sattler