1. Evaluating semantic Web service technologies : criteria, approaches and challenges / Ulrich Küster, Birgitta König-Ries, Matthias Klusch -- 2. Semantic Web services and mobile agents integration for efficient mobile services / Vasileios Baousis, Vassilis Spiliopoulos, Elias Zavitsanos, Stathes Hadjiefthymiades, Lazaros Merakos -- 3. Mobile ontologies : concept, development, usage, and business potential / Jari Veijalainen -- 4. Service provisioning through real world objects / Massimo Paolucci, Gregor Broll, John Hamard, Enrico Rukzio, Matthias Wagner, Albrecht Schmidt -- 5. Semantic-based Bluetooth-RFID interaction for advanced resource discovery in pervasive contexts / Tommaso Di Noia, Eugenio Di Sciascio, Francesco Maria Donini, Michele Ruta, Floriano Scioscia, Eufemia Tinelli -- 6. In defense of ambiguity redux / Patrick J. Hayes, Harry Halpin -- 7. Identity of resources and entities on the Web / Valentina Presutti, Aldo Gangemi -- 8. Ontological indeterminacy and the semantic Web or why the controversy over same-sex marriage poses a fundamental problem for current semantic Web architecture / Allen Ginsberg -- 9. Ontology driven document identification in semantic Web / Marek Reformat, Ronald R. Yager, Zhan Li -- 10. A fuzzy ontology generation framework from fuzzy relational databases / Z.M. Ma, Yanhui Lv, Li Yan --

11. Tightly coupled fuzzy description logic programs under the answer set semantics for the semantic Web / Thomas Lukasiewicz, Umberto Straccia -- 12. Evolutionary conceptual clustering based on induced pseudo-metrics / Nicola Fanizzi, Claudia d'Amato, Floriana Esposito -- 13. Nested optional join for efficient evaluation of SPARQL nested optional graph patterns / Artem Chebotko, Shiyong Lu -- 14. An associative and adaptive network model for information retrieval in the semantic Web / Peter Scheir, Peter Prettenhofer, Stefanie N. Lindstaedt, Chiara Ghidini.