This book constitutes the thoroughly refereed postproceedings of the Second International Workshop on Semantic Web and Databases, SWDB 2004, held in Toronto, Canada in August 2004 as a satellite workshop of VLDB 2004.

The 14 revised full papers presented together with 2 papers by the invited keynote speakers were carefully selected during two rounds of reviewing and improvement from 47 submissions. Among the topics addressed are data semantics, semantic Web services, service-oriented computing, workflow composition, XML semantics, relational tables, ontologies, semantic Web algebra,...

The 11th Conference "Artificial Intelligence: Methodology, Systems, Applications - Semantic Web Challenges" (AIMSA 2004) continued successfully pursuing the main aim of the AIMSA series of conferences - to foster the multidisciplinary community of artificial intelligence researchers, embracing both the theoretic underpinnings of the field and the practical issues involved in development, deployment, and maintenance of systems with intelligent behavior. Since the first conference in 1984 AIMSA has provided an ideal forum for international scientific exchange between Central/Eastern Europe and...

Six parallel Business Process Management workshops were held on September 5th, 2005, in conjunction with the Third International Conference on Business Process Management (BPM 2005) in Nancy, France. This was the first time BPM had asso- ated workshops, and the workshop program was a great success. The topics of the workshops ranged from fundamental process modeling primitives to the recently emerged field of Web service choreography and orchestration, rep- sented in the Workshop on Business Processes and Services and the Workshop on Web Service Choreography and Orchestration; a topic which...