Context revisited: a brief survey of research in context aware multimedia systems

The definition of context is context-depended itself… Context information is processed and has been used for making information delivery and presentation more efficient. The use of context is gaining in importance with the increasing number of pervasive computing applications. The efficiency of information delivery to mobile devices, which still suffer from limited resources (e.g. processing, display and power) and communications bandwidth, determines the acceptability of services by the users; even more so in cases of demanding multimedia information delivery, which takes up bandwidth and processing power. For multimedia applications and services to become widely accepted the correct context may play a significant role. In this brief survey and introductory paper we try to identify the characteristics of recent research effort in context-aware systems, mainly in multimedia applications. We initially define context and subsequently classify context determination techniques.

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