5th International Conference on Human Computer Interaction Theory and Applications - HUCAPP 2021 The International Conference on Human Computer Interaction Theory and Applications aims at becoming a major point of contact between researchers, engineers and practitioners in Human Computer Interaction. The conference will be structured along four main tracks, covering different aspects related to Human Computer Interaction, from Theories, Models and User Evaluation, Interaction Techniques and Devices, Haptic and Multimodal Interaction, and Agents and Human Interaction. Fundamental Research 8 February 2021 - 10 February 2021 Vienna, Austria © INSTICC 5th International Conference on Human Computer Interaction Theory and Applications HUCAPP Website: http://www.hucapp.visigrapp.org February 8 - 10, 2021 Vienna, Austria In Cooperation with: EUROGRAPHICSProceedings will be submitted for indexation by: SCOPUS, Google Scholar, DBLP, Semantic Scholar, Microsoft Academic, EI and Conference Proceedings Citation Index. IMPORTANT DATES: Regular Paper Submission: September 14, 2020 Authors Notification (regular papers): November 12, 2020 Final Regular Paper Submission and Registration: November 26, 2020 Conference Topics:Area 1: Agents and Human Interaction- Models for Human-Agent Interaction- Agents for Human-Human Interaction- Agent-Based Human-Computer Interaction- Agent-Based Human-Robot Interaction- Social Agents and Emotional Interaction- Human Cooperation and Agent-Based InteractionArea 2: Haptic and Multimodal Interaction- Fundamental of Haptic Interactions- Haptics Simulation and Rendering- Haptic Feedback and Control- Model for Haptic Interactions- Embodied Haptic Interfaces- Multimodal Systems and Application- Input and Output Modalities- Integration Mechanisms and Fusion StrategiesArea 3: Theories, Models and User Evaluation- Design Methods and Tools- Cognitive and Conceptual Models- Model-Based and Mental Design- Evaluation Paradigms and Frameworks- User Performance Evaluation- User Modeling and Profiling- Analysis Methods and Tools- Usability and User Experience- Task Analysis, Guidelines and HeuristicsArea 4: Interaction Techniques and Devices- General Input and Output Devices- Virtual, Augmented and Mixed Reality- Interactive Systems for Education and Training- Collaborative Systems for Teaching, Studying and Learning- Interaction Devices and Immersive Displays- Organic User Interfaces- Tangible User Interfaces- Mobile, Wearable and Pervasive Devices- Wearable, Ubiquitous and Pervasive Computing- Multi-User and Collaborative Systems- Context-Aware and Adaptive Systems- 3D Interaction Techniques and MetaphoresHUCAPP CONFERENCE CO-CHAIRS:Jose Braz, Escola Superior de Tecnologia de Setúbal, PortugalKadi Bouatouch, IRISA, University of Rennes 1, FranceHUCAPP PROGRAM CHAIR:Alexis Paljic, Mines Paristech, FrancePROGRAM COMMITTEEhttp://www.hucapp.visigrapp.org/ProgramCommittee.aspxHUCAPP SecretariatAddress: Avenida de S. Francisco Xavier, Lote 7 Cv. CTel: +351 265 520 185Fax: +351 265 520 186Web: http://www.hucapp.visigrapp.orge-mail: hucapp.secretariat@insticc.org