Logical foundations of artificial intelligence
Logical foundations of artificial intelligence
A translation approach to portable ontology specifications
Knowledge Acquisition - Special issue: Current issues in knowledge modeling
A Hybrid System with Datalog and Concept Languages
AI*IA Proceedings of the 2nd Congress of the Italian Association for Artificial Intelligence on Trends in Artificial Intelligence
Description logic programs: combining logic programs with description logic
WWW '03 Proceedings of the 12th international conference on World Wide Web
A proposal for an owl rules language
Proceedings of the 13th international conference on World Wide Web
A Novel Combination of Answer Set Programming with Description Logics for the Semantic Web
ESWC '07 Proceedings of the 4th European conference on The Semantic Web: Research and Applications
The development of an ontology-based expert system for corporate financial rating
Expert Systems with Applications: An International Journal
Product configuration knowledge modeling using ontology web language
Expert Systems with Applications: An International Journal
OWL rules: A proposal and prototype implementation
Web Semantics: Science, Services and Agents on the World Wide Web
Query Answering for OWL-DL with rules
Web Semantics: Science, Services and Agents on the World Wide Web
The Description Logic Handbook: Theory, Implementation and Applications
The Description Logic Handbook: Theory, Implementation and Applications
Effective integration of declarative rules with external evaluations for semantic-web reasoning
ESWC'06 Proceedings of the 3rd European conference on The Semantic Web: research and applications
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Although the OWL (Web Ontology Language) and SWRL (Semantic Web Rule Language) add considerable expressiveness to the Semantic Web they do have expressive limitations. For some reasoning problems it is necessary to infer the existence of new individuals satisfying stated condition. This kind of problems can not be fully resolved by OWL and SWRL. We present the XSWRL (Extended Semantic Web Rule Language), an extension to SWRL, to overcome these problems. XSWRL introduces existentially quantified variables to rules. XSWRL extends SWRL in a syntactically and semantically coherent manner. We show that while the expressiveness of the Semantic Web language is improved, the undecidability and infinite chains are brought on. We define the inseparable set of atoms to separate XSWRL rules, and discuss a prototype implementation of reasoning support for XSWRL.