Olejar Books

This book constitutes the refereed proceedings of the 4th European Semantic Web Conference, ESWC 2007, held in Innsbruck, Austria, in June 2007. The 46 revised full papers presented together with 4 invited talks and 10 system descriptions were carefully reviewed and selected from a total of 278 submitted papers. The papers are organized in topical sections on semantic Web services, ontology learning, inference and mapping, case studies, social semantic Web, ontologies: requirements and analysis, personalization, foundations of the semantic Web, natural languages and ontologies, applications, querying and Web data models, as well as system descriptions.