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» Well Founded Semantics for Logic Program Updates
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IADIS
2004
15 years 1 months ago
Web server authorisation with the policyupdater access control system
The PolicyUpdater1 system is a generic access control system that provides policy evaluations and dynamic policy updates. These functions are achieved by the use of a logic-based ...
Vino Fernando Crescini, Yan Zhang, Weiyuan Wang
SEMWEB
2009
Springer
15 years 6 months ago
Processing OWL2 Ontologies using Thea: An Application of Logic Programming
Traditional object-oriented programming languages can be difficult to use when working with ontologies, leading to the creation of domain-specific languages designed specifically...
Vangelis Vassiliadis, Jan Wielemaker, Chris Mungal...
FUZZIEEE
2007
IEEE
15 years 6 months ago
A Fuzzy Description Logic with Product T-norm
— Fuzzy Description Logics (fuzzy DLs) have been proposed as a language to describe structured knowledge with vague concepts. It is well known that the choice of the fuzzy operat...
Fernando Bobillo, Umberto Straccia
LPNMR
2005
Springer
15 years 5 months ago
An Algebraic Account of Modularity in ID-Logic
ID-logic uses ideas from the field of logic programming to extend second order logic with non-monotone inductive defintions. In this work, we reformulate the semantics of this lo...
Joost Vennekens, Marc Denecker
ER
1995
Springer
152views Database» more  ER 1995»
15 years 3 months ago
A Logic Framework for a Semantics of Object-Oriented Data Modeling
We describe a (meta) formalism for defining a variety of (object oriented) data models in a unified framework based on a variation of first-order logic. As specific example we use...
Olga De Troyer, Robert Meersman