Sciweavers

215 search results - page 3 / 43
» Contextualization of a DL Knowledge Base
Sort
View
ECAI
2010
Springer
13 years 6 months ago
Tractable Reasoning with DL-Programs over Datalog-rewritable Description Logics
Abstract. The deployment of KR formalisms to the Web has created the need for formalisms that combine heterogeneous knowledge bases. Nonmonotonic dl-programs provide a loose integr...
Stijn Heymans, Thomas Eiter, Guohui Xiao
ESWS
2010
Springer
13 years 10 months ago
Mobile Semantic-Based Matchmaking: A Fuzzy DL Approach
Novel wireless handheld devices allow the adoption of revised and adapted discovery approaches originally devised for the Semantic Web in mobile ad-hoc networks. Nevertheless, capa...
Michele Ruta, Floriano Scioscia, Eugenio Di Sciasc...
CORR
2007
Springer
98views Education» more  CORR 2007»
13 years 5 months ago
Guarded Hybrid Knowledge Bases
Recently, there has been a lot of interest in the integration of Description Logics and rules on the Semantic Web. We define guarded hybrid knowledge bases (or g-hybrid knowledge...
Stijn Heymans, Jos de Bruijn, Livia Predoiu, Crist...
OTM
2007
Springer
13 years 11 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
DLOG
2010
13 years 3 months ago
On the feasibility of Description Logic knowledge bases with rough concepts and vague instances
Abstract. A usage scenario of bio-ontologies is hypothesis testing, such as finding relationships or new subconcepts in the data linked to the ontology. Whilst validating the hypot...
C. Maria Keet