The 7th International Conference on Ubiquitous Computing (UbiComp 2005) marked the ?rst time that this premier venue for original research contributions in ubiquitous computing was held in Asia. The Tokyo, Japan venue re?ects the desireoftheUbiCompcommunitytomakethisconferenceseriesaninternational event that showcases the increasing amount of high-quality ubiquitous comp- ing researchthat is taking placeworldwide.As the ?eld ofubiquitous computing has matured, the UbiComp Conference has gained signi?cance worldwide, not only among researchers, but also with industry and general society. This interest in the potential of ubiquitous computing to impact our lives has resulted in the creation of many new research programs in academia and industry. These e?orts have, in turn, led to mass media coverage of e?orts and, in some regions of the world, large-scale government-initiated collaborative - forts to explore the potential of these emerging technologies. These trends are re?ected in the rise in the number of submissions to UbiComp 2005. This year the conference received 230 full papers, submitted almost equally from Asia (?100 submissions), North America and South America (?60 submissions) and Europe(?60submissions),withtheremainderbeingreceivedfromAustraliaand Africa. Fromamong many high-qualitysubmissions, the technical programc- mittee accepted 22 papers. These paperswere chosenbased solely on the quality of their peer reviews using a double-blind review process.

Includes supplementary material: sn.pub/extras

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CarpetLAN: A Novel Indoor Wireless(-like) Networking and Positioning System.- u-Texture: Self-Organizable Universal Panels for Creating Smart Surroundings.- Fast and Robust Interface Generation for Ubiquitous Applications.- Analysis of Chewing Sounds for Dietary Monitoring.- Preventing Camera Recording by Designing a Capture-Resistant Environment.- Self-Mapping in 802.11 Location Systems.- A Study of Bluetooth Propagation Using Accurate Indoor Location Mapping.- A New Method for Auto-calibrated Object Tracking.- Accurate GSM Indoor Localization.- Learning and Recognizing the Places We Go.- Visually Interactive Location-Aware Computing.- DigiDress: A Field Trial of an Expressive Social Proximity Application.- Control, Deception, and Communication: Evaluating the Deployment of a Location-Enhanced Messaging Service.- Place-Its: A Study of Location-Based Reminders on Mobile Phones.- Time, Ownership and Awareness: The Value of Contextual Locations in the Home.- Living for the Global City: Mobile Kits, Urban Interfaces, and Ubicomp.- From Interaction to Participation: Configuring Space Through Embodied Interaction.- Scanning Objects in the Wild: Assessing an Object Triggered Information System.- Abaris: Evaluating Automated Capture Applied to Structured Autism Interventions.- To Frame or Not to Frame: The Role and Design of Frameless Displays in Ubiquitous Applications.- Picking Pockets on the Lawn: The Development of Tactics and Strategies in a Mobile Game.- ActiveTheatre A Collaborative, Event-Based Capture and Access System for the Operating Theatre.