Location- and Context-Awareness: First International Workshop, LoCA 2005, Oberpfaffenhofen, Germany, May 12-13, 2005, Proceedings
Thomas Strang, Claudia Linnhoff-Popien
Springer Science & Business Media, May 12, 2005 - Computers - 380 pages
Context-awareness is one of the drivers of the ubiquitous computing paradigm. Well-designed context modeling and context retrieval approaches are key p- requisites in any context-aware system. Location is one of the primary aspects of all major context models — together with time, identity and activity. From the technical side, sensing, fusing and distributing location and other context information is as important as providing context-awareness to applications and services in pervasive systems. Thematerialsummarizedinthisvolumewasselectedforthe1stInternational Workshop on Location- and Context-Awareness (LoCA 2005) held in coope- tion with the 3rd International Conference on Pervasive Computing 2005. The workshop was organized by the Institute of Communications and Navigation of the German Aerospace Center (DLR) in Oberpfa?enhofen, and the Mobile and Distributed Systems Group of the University of Munich. During the workshop, novel positioning algorithms and location sensing te- niques were discussed, comprising not only enhancements of singular systems, like positioning in GSM or WLAN, but also hybrid technologies, such as the integration of global satellite systems with inertial positioning. Furthermore, - provements in sensor technology, as well as the integration and fusion of sensors, were addressed both on a theoretical and on an implementation level. Personal and con?dential data, such as location data of users, have p- found implications for personal information privacy. Thus privacy protection, privacy-oriented location-aware systems, and how privacy a?ects the feasibility and usefulness of systems were also addressed in the workshop.
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Location- and Context-Awareness: First International Workshop, LoCA 2005 ...
Thomas Strang,Claudia Linnhoff-Popien
No preview available - 2009
accuracy algorithm antenna applications approach architecture AutoClass Bayesian network beacon nodes BlueStar Bluetooth building cardinal directional classiﬁcation context data context information context management context model context sources context-aware context-aware systems coordinates deﬁned diﬀerent displacement vector distance distributed dynamic Bayesian networks eﬀect entities environment error evaluation example ﬁgure ﬁlter ﬁnd ﬁrst fuzzy geoDBNs granularity IEEE implementation indoor inference infrastructure interface International Conference location estimation location information location system location tracking measurements meters method MoteTrack neural network obfuscation oﬃce omnidirectional antenna ontology parameters person Pervasive Computing position prediction predictor prototype QoS Map RADIUS reference signatures region relations RFID tags RSSI scalability sensors signal strength signiﬁcant locations spatial speciﬁc STS servers techniques technologies tion Ubiquitous Computing ultrasound update user’s walking wireless access point wireless network xPOI