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2011 IEEE International Conference on Pervasive Computing and Communications Workshops (PerCom Workshops 2011). PerCom-Workshops 2011: 2011 IEEE International Conference on Pervasive Computing and Communications Workshops (PERCOM Workshops 2011)
The need to prolong the ability for older adults to live at home independently has become an important area of smart environment research. In this proposal, we demonstrate a web-based visualization system (CASASviz) that integrates monitoring, analysis, and automated recognition of residents behavior patterns in smart environments. In our data collection module, we collect real sensor data from the...
In the pervasive environment, the context, the data/information processing system and the human being comprise an information chain, along which the information from the context is conducted to the user in a comprehensive way. However, current context-aware systems and methodologies are more concerned about the processing systems without sufficient consideration about the relationships between all...
Discovering users' whereabouts patterns is important for many emerging ubiquitous computing applications. Life-log systems, advertisement and smart environments are only some of the applications that can be supported by information regarding user patterns and routine behaviors. Latent Dirichlet Allocation (LDA) is a powerful mechanism to extract recurrent behaviors and high-level patterns (called...
Social networks represent a sophisticated tool for accessing the preferences and properties of individuals and groups. Thus, they potentially allow up-to-date, richly annotated contextual data to be acquired as a side effect of users' everyday use of services. In this paper, we explore how such “social sensing” could be integrated into pervasive systems. We frame and survey the possible approaches...
In modern cities, more and more vehicles, such as taxis, have been equipped with GPS devices for localization and navigation. Gathering and analyzing these large-scale real-world digital traces have provided us an unprecedented opportunity to understand the city dynamics and reveal the hidden social and economic “realities”. One innovative pervasive application is to provide correct driving strategies...
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