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» Exploring Finite Models in the Description Logic
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IJAC
2010
231views more  IJAC 2010»
13 years 3 months ago
Descriptive Complexity of Finite Abelian Groups
Title of dissertation: MODEL THEORY AND COMPLEXITY THEORY Walid Gomaa Doctor of Philosophy, 2007 Dissertation directed by: Professor William Gasarch Department of Computer Science...
Walid Gomaa
DLOG
2010
13 years 4 months ago
Decidability of Description Logics with Transitive Closure of Roles in Concept and Role Inclusion Axioms
Abstract. This paper investigates Description Logics which allow transitive closure of roles to occur not only in concept inclusion axioms but also in role inclusion axioms. First,...
Chan Le Duc, Myriam Lamolle
LATIN
2004
Springer
13 years 11 months ago
Approximating the Expressive Power of Logics in Finite Models
Abstract. We present a probability logic (essentially a first order language extended with quantifiers that count the fraction of elements in a model that satisfy a first order ...
Argimiro Arratia, Carlos E. Ortiz
CORR
2010
Springer
123views Education» more  CORR 2010»
13 years 6 months ago
Loop Formulas for Description Logic Programs
Description Logic Programs (dl-programs) proposed by Eiter et al. constitute an elegant yet powerful formalism for the integration of answer set programming with description logic...
Yisong Wang, Jia-Huai You, Li-Yan Yuan, Yi-Dong Sh...
AAAI
2006
13 years 7 months ago
Characterizing Data Complexity for Conjunctive Query Answering in Expressive Description Logics
Description Logics (DLs) are the formal foundations of the standard web ontology languages OWL-DL and OWL-Lite. In the Semantic Web and other domains, ontologies are increasingly ...
Magdalena Ortiz, Diego Calvanese, Thomas Eiter