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» Open answer set programming for the semantic web
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ESWS
2009
Springer
14 years 2 months ago
Hybrid Reasoning with Forest Logic Programs
Open Answer Set Programming (OASP) is an attractive framework for integrating ontologies and rules. Although several decidable fragments of OASP have been identified, few reasonin...
Cristina Feier, Stijn Heymans
ICDT
2012
ACM
235views Database» more  ICDT 2012»
11 years 10 months ago
Equivalence and minimization of conjunctive queries under combined semantics
The problems of query containment, equivalence, and minimization are recognized as very important in the context of query processing, specifically of query optimization. In their...
Rada Chirkova
SEMWEB
2010
Springer
13 years 5 months ago
Using Reformulation Trees to Optimize Queries over Distributed Heterogeneous Sources
Abstract. In order to effectively and quickly answer queries in environments with distributed RDF/OWL, we present a query optimization algorithm to identify the potentially relevan...
Yingjie Li, Jeff Heflin
ISCI
2008
108views more  ISCI 2008»
13 years 8 months ago
Modeling and manipulating the structure of hierarchical schemas for the web
The Semantic Web is the next step of the current Web where information will become more machine-understandable to support effective data discovery and integration. Hierarchical sc...
Theodore Dalamagas, Alexandra Meliou, Timos K. Sel...
RULEML
2004
Springer
14 years 1 months ago
SweetProlog: A System to Integrate Ontologies and Rules
Abstract. This paper describes the design and implementation of SweetProlog, a system for translating Web rules into Prolog. It enables the integration of ontologies and rules on t...
Loredana Laera, Valentina A. M. Tamma, Trevor J. M...