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» On the formal semantics of IF-like logics
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OTM
2007
Springer
14 years 2 months ago
A Role and Attribute Based Access Control System Using Semantic Web Technologies
We show how Semantic Web technologies can be used to build an access control system. We follow the role-based access control approach (RBAC) and extend it with contextual attribute...
Lorenzo Cirio, Isabel F. Cruz, Roberto Tamassia
WADT
2004
Springer
14 years 1 months ago
Ontologies for the Semantic Web in Casl
Abstract. This paper describes a sublanguage of Casl, called CaslDL, that corresponds to the Web Ontology Language (OWL) being used for the semantic web. OWL can thus benefit from...
Klaus Lüttich, Till Mossakowski, Bernd Krieg-...
ECAI
2006
Springer
13 years 11 months ago
CTL Model Update: Semantics, Computations and Implementation
Minimal change is a fundamental principle for modeling system dynamics. In this paper, we study the issue of minimal change for Computational Tree Logic (CTL) model update. We firs...
Yulin Ding, Yan Zhang
DILS
2008
Springer
13 years 10 months ago
Chemical Knowledge for the Semantic Web
With over 80 file formats to represent various chemical attributes, the conversion between one format and another is invariably lossy due to informal specifications. In contrast, t...
Mykola Konyk, Alexander De Leon Battista, Michel D...
KR
2004
Springer
14 years 1 months ago
Ontological Knowledge Base Reasoning with Sort-Hierarchy and Rigidity
Although sorts and unary predicates are semantically identical in order-sorted logic, they are classified as different kinds of properties in formal ontology (e.g. sortal and non...
Ken Kaneiwa, Riichiro Mizoguchi