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» Reasoning with class algebra
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CADE
2005
Springer
16 years 4 months ago
The OWL Instance Store: System Description
Abstract. We describe the instance store, a system for reasoning about individuals (i.e., instances of classes) in OWL ontologies. By using a hybrid reasoner/database architecture,...
Sean Bechhofer, Ian Horrocks, Daniele Turi
RWEB
2005
Springer
15 years 9 months ago
Rule Modeling and Markup
In this paper we address several issues of rule modeling on the basis of UML. We discuss the relationship between UML class models and OWL vocabularies. We show how certain rules c...
Gerd Wagner
LFCS
2007
Springer
15 years 10 months ago
Density Elimination and Rational Completeness for First-Order Logics
Density elimination by substitutions is introduced as a uniform method for removing applications of the Takeuti-Titani density rule from proofs in firstorder hypersequent calculi....
Agata Ciabattoni, George Metcalfe
ECOOP
2006
Springer
15 years 7 months ago
Variance and Generalized Constraints for C# Generics
Abstract. Generic types in C behave invariantly with respect to subtyping. We propose a system of type-safe variance for C that supports the declaration of covariant and contravari...
Burak Emir, Andrew Kennedy, Claudio V. Russo, Dach...
APAL
2008
102views more  APAL 2008»
15 years 4 months ago
Partial automorphism semigroups
Abstract. We study the relationship between algebraic structures and their inverse semigroups of partial automorphisms. We consider a variety of classes of natural structures inclu...
Jennifer Chubb, Valentina S. Harizanov, Andrei S. ...