This volume contains the tutorial papers of the Summer School "Reasoning Web,"July25-29,2005(http: //reasoningweb. org). TheSchoolwashostedbythe University of Malta and was organized by the Network of Excellence REWERSE "Reasoning on the Web with Rules and Semantics" (http: //rewerse. net), funded by the EU Commission and by the Swiss Federal O?ce for Edu- tion and Science within the 6th Framework Programme under the project ref- ence number 506779. The objective of the school was to provide an introduction into methods and issues of the Semantic Web, a major endeavor in current Web research,...

This book constitutes the refereed proceedings of the International Workshop on Principles and Practice of Semantic Web Reasoning, PPSWR 2003, held in Mumbai, India in December 2003 as satellite meeting of ICLP 2003.The 13 revised full papers presented were carefully reviewed and selected for inclusion in the proceedings. The papers are organized in topical sections on foundations of semantic Web reasoning, reasoning in practice, query- and rule-languages, and semantics and knowledge representation.

The objective of this state-of-the-art survey is to give a coherent overview of the main topics and results achieved by the Network of Excellence REWERSE on 'Reasoning on the Web', funded by the European Commission and Switzerland within the '6th Framework Programme' (FP6), from 2004 to 2008. The material has been organized into eight chapters, each of which addresses one of the main topics of REWERSE: hybrid reasoning with rules and ontologies, lessons in versatility or how query languages adapt to the Web, evolution and reactivity in the Semantic Web, rule-based policy representations and...