1. Exploring a professional social network system to support learning in the workplace / Anthony "Skip" Basiel, Paul Coyne -- 2. Knowledge producing megamachines : the biggest Web 2.0 communities of the future / Laszlo Z. Karvalics -- 3. Web 2.0 driven sustainability reporting / Daniel Süpke, Jorge Marx Gómez, Ralf Isenmann -- 4. Mailing lists and social semantic Web -- Sergio Fernández, Diego Berrueta, Lian Shi, Jose E. Labra, Patricia Ordóñez de Pablos -- 5. Web 2.0 social networking sites / D. Sandy Staples -- 6. Teachers' personal knowledge management in China based Web 2.0 technologies / Jingyuan Zhao -- 7. CUSENT : social sentiment analysis using semantics for customer feedback / Ángel García-Crespo, Ricardo Colomo-Palacios, Myriam Mencke, Juan M. Gómez-Berbís -- 8. Can knowledge management assist firms to move from traditional to e-commerce : the case of Greek firms / Irene Samanta -- 9. Knowledge management and lifelong learning in archival heritage : digital collections on a semantic scope for educational potential / Triantafillia Kourtoumi -- 10. Application of Web 2.0 technology for clinical training / Adela Lau, Eric Tsui -- 11. Pattern matching techniques to identify syntactic variations of tags in folksonomies / F. Echarte, J.J. Astrain, A. Córdoba, J. Villadangos -- 12. Insights into the impact of social networks on evolutionary games / Katia Sycara, Paul Scerri, Anton Chechetka --

13. Application of semantic Web based on the domain-specific ontology for global KM / Jaehun Joo, Sang M. Lee, Yongil Jeong -- 14. Designing online learning communities to encourage cooperation / Miranda Mowbray -- 15. Building virtual learning communities / Naomi Augar, Ruth Raitman, Elicia Lanham, Wanlei Zhou -- 16. Support networks for rural and regional communities / Tom Denison -- 17. Building virtual communities through a de-marginalized view of knowledge networking / Kam Hou Vat -- 18. A basis for the semantic Web and e-business : efficient organization of ontology languages and ontologies / Changqing Li, Tok Wang Ling -- 19. User-centered design principles for online learning communities : a sociotechnical approach for the design of a distributed community of practice / Ben K. Daniel, David O'Brien, Asit Sarkar.