Rules and Rule Markup Languages for the Semantic Web

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.