Extending an OWL Web Node with Reactive Behavior

  • Wolfgang May
  • Franz Schenk
  • Elke von Lienen
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4187)


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.


Resource Description Framework Reactive Behavior SPARQL Query Resource Description Framework Data Resource Description Framework Triple 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Wolfgang May
    • 1
  • Franz Schenk
    • 1
  • Elke von Lienen
    • 2
  1. 1.Institut für InformatikUniversität Göttingen 
  2. 2.Institut für InformatikTechnische Universität Clausthal 

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