Human-Computer Interaction. Interaction Design and Usability 12th International Conference, HCI International 2007, Beijing, China, July 22-27, 2007, Proceedings, Part I

Human-Computer Interaction. Interaction Platforms and Techniques 12th International Conference, HCI International 2007, Beijing, China, July 22-27, 2007, Proceedings, Part II

Human-Computer Interaction. HCI Intelligent Multimodal Interaction Environments 12th International Conference, HCI International 2007, Beijing, China, July 22-27, 2007, Proceedings, Part III

Human-Computer Interaction: Design and Development Approaches 14th International Conference, HCI International 2011, Orlando, FL, USA, July 9-14, 2011, Proceedings, Part I