Rules and Rule Markup Languages for the Semantic Web [electronic resource] : Third International Workshop, RuleML 2004, Hiroshima, Japan, November 8, 2004. Proceedings / edited by Grigoris Antoniou, Harold Boley.

Invited Talks -- Semantic Web Rules: Covering the Use Cases -- Combining Rule and Ontology Reasoners for the Semantic Web -- Regular Papers -- A System for Nonmonotonic Rules on the Web -- Rule Learning for Feature Values Extraction from HTML Product Information Sheets -- A Defeasible Logic Reasoner for the Semantic Web -- R-DEVICE: A Deductive RDF Rule Language -- Well-Founded Semantics for Description Logic Programs in the Semantic Web -- Defeasible Description Logics -- Semantic Web Reasoning with Conceptual Logic Programs -- Bossam: An Extended Rule Engine for OWL Inferencing -- Extending SWRL to Express Fully-Quantified Constraints -- An Extension to OWL with General Rules -- Combining Description Logic and Defeasible Logic for the Semantic Web -- Short Tool Presentations -- Rewrite Rules as Service Integrators -- SweetProlog: A System to Integrate Ontologies and Rules -- SWRLp: An XML-Based SWRL Presentation Syntax -- XET as a Rule Language for Consistency Maintenance in UML -- A System for Automated Agent Negotiation with Defeasible Logic-Based Strategies – Preliminary Report.