The Description Logic Handbook
The Description Logic Handbook
A general language for evolution and reactivity in the semantic web
PPSWR'05 Proceedings of the Third international conference on Principles and Practice of Semantic Web Reasoning
An ontology- and resources-based approach to evolution and reactivity in the semantic web
OTM'05 Proceedings of the 2005 OTM Confederated international conference on On the Move to Meaningful Internet Systems: CoopIS, COA, and ODBASE - Volume Part II
Active rules in the semantic web: dealing with language heterogeneity
RuleML'05 Proceedings of the First international conference on Rules and Rule Markup Languages for the Semantic Web
Embedding Event Algebras and Process for ECA Rules for the Semantic Web
Fundamenta Informaticae
An Active Domain Node Architecture for the Semantic Web
OTM '09 Proceedings of the Confederated International Conferences, CoopIS, DOA, IS, and ODBASE 2009 on On the Move to Meaningful Internet Systems: Part II
Rule-based active domain brokering for the semantic web
RR'07 Proceedings of the 1st international conference on Web reasoning and rule systems
Embedding Event Algebras and Process for ECA Rules for the Semantic Web
Fundamenta Informaticae
RW'07 Proceedings of the Third international summer school conference on Reasoning Web
RW'07 Proceedings of the Third international summer school conference on Reasoning Web
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We describe an extension of an OWL knowledge base using PostgreSQL, Jena, and Pellet with active rules in form of triggers. The triggers react on atomic events on the OWL level. In contrast to “simple” RDF triggers whose trigering events can directly be mapped on updates on RDF triples, the extension to RDFS and OWL requires to combine reactivity with OWL reasoning. For this, “direct”, pre-reasoning triggers that react on update operations (often also providing support for the intended operation), and “indirect”, post-reasoning triggers that react on actual changes have to be distinguished. The approach has been implemented in a prototype based on the Jena framework.