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» A Complete Subsumption Algorithm
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ICML
2008
IEEE
15 years 10 months ago
Fast estimation of first-order clause coverage through randomization and maximum likelihood
In inductive logic programming, subsumption is a widely used coverage test. Unfortunately, testing -subsumption is NP-complete, which represents a crucial efficiency bottleneck fo...
Filip Zelezný, Ondrej Kuzelka
LICS
2005
IEEE
15 years 3 months ago
Proof-Theoretic Approach to Description-Logic
In recent work Baader has shown that a certain description logic with conjunction, existential quantification and with circular definitions has a polynomial time subsumption pro...
Martin Hofmann
DLOG
2004
14 years 11 months ago
A Uniform Tableaux-Based Approach to Concept Abduction and Contraction in ALN
We present algorithms based on truth-prefixed tableaux to solve both Concept Abduction and Contraction in ALN DL. We also analyze the computational complexity of the problems, sho...
Simona Colucci, Tommaso Di Noia, Eugenio Di Sciasc...
DLOG
2010
14 years 7 months ago
TBox Classification in Parallel: Design and First Evaluation
Abstract. One of the most frequently used inference services of description logic reasoners classifies all named classes of OWL ontologies into a subsumption hierarchy. Due to emer...
Mina Aslani, Volker Haarslev
AAAI
1990
14 years 10 months ago
Terminological Cycles in KL-ONE-based Knowledge Representation Languages
Cyclic definitions are often prohibited in terminological knowledge representation languages because, from a theoretical point of view, their semantics is not clear and, from a pr...
Franz Baader