New Media, Communities, and Social Practice: An Introductory Tutorial / Demosthenes Akoumianakis -- Conditions and Key Success Factors for the Management of Communities of Practice / Edurne Loyarte, Olga Rivera -- The Search for 'Hidden' Virtual Communities of Practice: Some Preliminary Premises / Richard Ribeiro, Chris Kimble -- The Generative Potential of Appreciative Inquiry for CoP: The Virtual Enterprise's Emergent Knowledge Model / Kam Hou VAT -- The Role of Participatory Design in Constructing the Virtual Knowledge Commons / Natalie Pang -- The 'Social Experience Factory' and the Fabrics of Collaboration in Virtual Communities of Practice / Demosthenes Akoumianakis -- Social TV: Building Virtual Communities to Enhance the Digital Interactive Television Viewing Experience / Evangelia Mantzari, George Lekakos, Adam Vrechopoulos -- Evaluating the Effectiveness of Social Visualization within Virtual Communities / Diana Schimke, Heidrun Stoeger, Albert Ziegler -- GRIDS in Community Settings / Ioannis Barbounakis, Michalis Zervakis -- Socializing in an Online Gaming Community: Social Interaction in World of Warcraft / Vivian Hsueh Hua Chen, Henry Been Lirn Duh -- Social Semantic Web and Semantic Web Services / Stelios Sfakianakis -- Virtual Community Practice Toolkits Using 3D Imaging Technologies / George Triantafyllidis, Nikolaos Grammalidis, Dimitiros Tzovaras --

Using Activity Theory to Assess the Effectiveness of an Online Learning Community: A Case Study in Remote Collaboration Using a 3D Virtual Environment / Theodor G. Wyeld, Ekaterina Prasolova-Førland -- Interaction, Imagination and Community Building at the Math Forum / Wesley Shumar -- Designing Practice-Oriented Interactive Vocabularies for Workflow-Based Virtual CoP / Demosthenes Akoumianakis ... [et al.] -- Developing User Interfaces for Community-Oriented Workflow Information Systems / Josefina Guerrero García, Jean Vanderdonckt, Juan Manuel González Calleros -- Virtual Communities in Health and Social Care / Manolis Tsiknakis -- Research Communities in Context: Trust, Independence, and Technology in Professional Communities / Dimitrina Dimitrova, Emmanuel Koku -- Enabling Virtual Music Performance Communities / Chrisoula Alexandraki, Nikolas Valsamakis -- Sustainable E-Learning Communities / Chris Stary -- Cross-Organization Virtual CoPs in E-Tourism: Assembling Information-Based Products / Nikolas Vidakis ... [et al.] -- Social Interactive Media and Virtual Community Practices: Retrospective and an R&D Agenda / Demosthenes Akoumianakis.