Invited Paper -- Meta-User Interfaces for Ambient Spaces -- Tool Support -- Tool Support for Handling Mapping Rules from Domain to Task Models -- Towards Visual Analysis of Usability Test Logs Using Task Models -- Model-Based Interface Development -- Dialog Modeling for Multiple Devices and Multiple Interaction Modalities -- Model-Based Support for Specifying eService eGovernment Applications -- A Model-Based Approach to Develop Interactive System Using IMML -- User Interface Patterns -- PIM Tool: Support for Pattern-Driven and Model-Based UI Development -- Pattern-Based UI Design: Adding Rigor with User and Context Variables -- Error Patterns: Systematic Investigation of Deviations in Task Models -- Using an Interaction-as-Conversation Diagram as a Glue Language for HCI Design Patterns on the Web -- Bridging the Gap: Driven by Models -- An MDA Approach for Generating Web Interfaces with UML ConcurTaskTrees and Canonical Abstract Prototypes -- High-Level Modeling of Multi-user Interactive Applications -- Goals: Interactive Multimedia Documents Modeling -- Task-Centered Design -- Using Task Models for Cascading Selective Undo -- Exploring Interaction Space as Abstraction Mechanism for Task-Based User Interface Design -- Multi-modal User Interfaces -- Comparing NiMMiT and Data-Driven Notations for Describing Multimodal Interaction -- Incorporating Tilt-Based Interaction in Multimodal User Interfaces for Mobile Devices -- An HCI Model for Usability of Sonification Applications -- Reflections on Tasks and Activities in Modeling -- Non-functional User Interface Requirements Notation (NfRn) for Modeling the Global Execution Context of Tasks -- Requirements Elicitation and Elaboration in Task-Based Design Needs More Than Task Modelling: A Case Study -- Discovering Multitasking Behavior at Work: A Context-Based Ontology -- The Tacit Dimension of User Tasks: Elicitation and Contextual Representation -- Context and Plasticity -- The Comets Inspector: Towards Run Time Plasticity Control Based on a Semantic Network -- A Prototype-Driven Development Process for Context-Aware User Interfaces.

This book constitutes the thoroughly refereed post-proceedings of the 5th International Workshop on Task Models and Diagrams for User Interface Design, TAMODIA 2006, held in Hasselt, Belgium in October 2006. The 23 revised full papers presented together with 1 invited paper were carefully reviewed and selected from numerous submissions for inclusion in the book. The workshop focused on different forms of models, diagrammatic and formal notations, and analytic frameworks used to understand human tasks and activities with computers and technology. The papers are organized in topical sections on tool support, model-based interface development, user interface patterns, bridging the gap: driven by models, task-centered design, multi-modal user interfaces, reflections on tasks and activities in modeling, as well as context and plasticity.