Collaborative Applications and Group Interaction -- Task Analysis Based Methodology for the Design of Face to Face Computer Supported Collaborative Learning Activities -- Group Creativity and Collaborative Technologies: Understanding the Role of Visual Anonymity -- InClass-RTD: Providing Support for Real-Time Threaded Discussions in the Classroom -- Technical and Environmental Challenges of Collaboration Engineering in Distributed Environments -- Monitoring and Analyzing Group Interactions in Asynchronous Discussions with the DIAS System -- Analyzing Shared Workspaces Design with Human-Performance Models -- Group Awareness -- Using Email-Based Network Analysis to Determine Awareness Foci -- Cooperation Indexes to Support Workspace Awareness -- Guidelines and Usability Principles to Design and Test Shared-Knowledge Awareness for a CSCL Interface -- Computer Supported Collaborative Learning -- The Remote Control Approach - How to Apply Scaffolds to Existing Collaborative Learning Environments -- Polyphonic Support for Collaborative Learning -- On Supporting Users' Reflection During Small Groups Synchronous Collaboration -- Interaction Analysis for the Detection and Support of Participatory Roles in CSCL -- Languages and Tools Supporting Collaboration -- ORCHESTRA: Formalism to Express Mobile Cooperative Applications -- A Decentralized and Flexible Tool Supporting Extreme Programming Software Development -- The PoEML Proposal to Model Services in Educational Modeling Languages -- Groupware Development Frameworks and Toolkits -- A Framework Designed for Synchronous Groupware Applications in Heterogeneous Environments -- Implicit Plasticity Framework: A Client-Side Generic Framework for Collaborative Activities -- Supporting Mobile Collaboration with Service-Oriented Mobile Units -- SAGA: A WebServices Architecture for Groupware Applications -- Towards a P2P-Based Active e-Learning Space -- Understanding the Trade-Offs of Blending Collaboration Services in Support of Contextual Collaboration -- Collaborative Workspaces -- Leveraging the Linda Coordination Model for a Groupware Architecture Implementation -- Development of Groupware Based on the 3C Collaboration Model and Component Technology -- Ontoolcole: An Ontology for the Semantic Search of CSCL Services -- Web-Based Cooperative Environments -- CSCL, Anywhere and Anytime -- Web Management of Citizens' Complaints and Suggestions -- Social Visualization Encouraging Participation in Online Communities -- Mobile Collaborative Work -- Analyzing the Roles of PDA in Meeting Scenarios -- Supporting the Management of Multiple Activities in Mobile Collaborative Working Environments -- Seamless Interaction Among Heterogeneous Devices in Support for Co-located Collaboration -- Collaborative Design -- Predicting User Interest Region for Collaborative Graphics Design Systems in Ubiquitous Environment -- A Conceptual and Methodological Framework for Modeling Interactive Groupware Applications -- Collaborative Design and Tailoring of Web Based Learning Environments in CURE.