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» A System for Semantic Query Optimization
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DLOG
2004
13 years 10 months ago
Extended Query Facilities for Racer and an Application to Software-Engineering Problems
er reports on a pragmatic query language for Racer. The abstract syntax and semantics of this query language is defined. Next, the practical relevance of this query language is sh...
Volker Haarslev, Ralf Möller, Ragnhild Van De...
OTM
2007
Springer
14 years 3 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
WWW
2007
ACM
14 years 10 months ago
Consistency-preserving caching of dynamic database content
With the growing use of dynamic web content generated from relational databases, traditional caching solutions for throughput and latency improvements are ineffective. We describe...
Niraj Tolia, M. Satyanarayanan
CORR
2011
Springer
186views Education» more  CORR 2011»
13 years 4 months ago
A Goal-Directed Implementation of Query Answering for Hybrid MKNF Knowledge Bases
Ontologies and rules are usually loosely coupled in knowledge representation formalisms. In fact, ontologies use open-world reasoning while the leading semantics for rules use non...
Ana Sofia Gomes, José Júlio Alferes,...
WAC
2004
Springer
14 years 2 months ago
Semantic-Based Policy Engineering for Autonomic Systems
Abstract. This paper presents some important directions in the use of ontologybased semantics in achieving the vision of Autonomic Communications. We examine the requirements of Au...
David Lewis, Kevin Feeney, Kevin Carey, Thanassis ...