This book is part of a two-volume work that constitutes the refereed proceedings of the 11th IFIP TC13 International Conference on Human-Computer Interaction, INTERACT 2007, held in Rio de Janeiro, Brazil in September 2007. It covers social computing, UI prototyping, user centered design methods and techniques, intelligent user interfaces, accessibility, designing for multiples devices, affective computing, 3D interaction and 3D interfaces, as well evaluation methods.

Inhalt
One: Keynote Speakers.- Human Values for Shaping the Made World.- Getting Your Message Across to Your Users.- Perspectives on Social Computing.- Two: Long and Short Papers.- Face-to-Face Sociability Signs Made Explicit in CMC.- Exploring Temporal Communication Through Social Networks.- Identifying Potential Social Impact of Collaborative Systems at Design Time.- Group Efficacy in Asynchronous vs. Multi-synchronous Virtual Teams: An Empirical Study.- Mutual Awareness in Collocated and Distant Collaborative Tasks Using Shared Interfaces.- A Proxy-Based Infrastructure for Web Application Sharing and Remote Collaboration on Web Pages.- Investigating User Attention and Interest in Websites.- FaericWorld: Browsing Multimedia Events Through Static Documents and Links.- Degree-of-Interest Visualization for Ontology Exploration.- S3: Storable, Shareable Search.- Trainable Sketch Recognizer for Graphical User Interface Design.- UI Prototyping for Multiple Devices Through Specifying Interaction Design.- Multi-fidelity Prototyping of User Interfaces.- User-Centered Design and Business Process Modeling: Cross Road in Rapid Prototyping Tools.- Ubiquitous Substitution.- Meta-design: Expanding Boundaries and Redistributing Control in Design.- Improving Users' Comprehension of Changes with Animation and Sound: An Empirical Assessment.- Designing a Free Style, Indirect, and Interactive Storytelling Application for People with Aphasia.- Supporting the Planning and Organization of Multiple Activities in the Workplace.- Creators, Composers and Consumers: Experiences of Designing a Digital Library.- A Common Sense-Based On-Line Assistant for Training Employees.- Proactive Assistive Technology: An Empirical Study.- Use and Implications of a Shared, Forecasting Calendar.- Utilizing SoundEffects in Mobile User Interface Design.- Multimodal PDA Interfaces to Assist Drivers in Monitoring Their Vehicles.- The Adaptive Hybrid Cursor: A Pressure-Based Target Selection Technique for Pen-Based User Interfaces.- ThumbSpace: Generalized One-Handed Input for Touchscreen-Based Mobile Devices.- Optimizing on Mobile Usage Cost for the Lower Income Group: Insights and Recommendations.- Button Keyboard: A Very Small Keyboard with Universal Usability for Wearable Computing.- Electronic Communication: Themes from a Case Study of the Deaf Community.- Accessibility and Interactive TV: Design Recommendations for the Brazilian Scenario.- Guidelines for Designing Mobility and Orientation Software for Blind Children.- SymAB: Symbol-Based Address Book for the Semi-literate Mobile User.- Accessibility of Assistive Software Installation Interfaces.- Model-Driven Adaptation for Plastic User Interfaces.- The Beautification Process in Model-Driven Engineering of User Interfaces.- Consistency Priorities for Multi-device Design.- A Flexible Presentation Tool for Diverse Multi-display Environments.- A Pressure-Sensing Mouse Button for Multilevel Click and Drag.- DeskJockey: Exploiting Passive Surfaces to Display Peripheral Information.- Drag-and-Guess: Drag-and-Drop with Prediction.- Wave Menus: Improving the Novice Mode of Hierarchical Marking Menus.- Nearly-Integral Manipulation of Rotary Widgets.- CATKey: Customizable and Adaptable Touchscreen Keyboard with Bubble Cursor-Like Visual Feedback.- A Conceptual Framework for the Design and Evaluation of Affective Usability in Educational Geosimulation Systems.- TEMo-Chine: Tangible Emotion Machine.- Characterizing the Diversity in Users' Perceptions.- Stay on the Ball! An Interaction Pattern Approach to the Engineering ofMotivation.- Motivational Needs-Driven Mobile Phone Design.- Mobile Application for Increasing Contextual and Emotional Work Group Awareness.- Employing Dynamic Transparency for 3D Occlusion Management: Design Issues and Evaluation.- Towards Applicable 3D User Interfaces for Everyday Working Environments.- Dwell-Based Pointing in Applications of Human Computer Interaction.- A Miniature, One-Handed 3D Motion Controller.- Use Case Evaluation (UCE): A Method for Early Usability Evaluation in Software Development.- Evaluating Reduced-Functionality Interfaces According to Feature Findability and Awareness.- Playful Probing: Making Probing More Fun.- Do I Do What I Say?: Observed Versus Stated Privacy Preferences.- In and Out of the Hospital: The Hidden Interface of High Fidelity Research Via RFID.- Exploring Multiple Usability Perspectives.