文件名称:s01-6
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A context-aware system is one that gracefully adapts to user
environment changes, rendering its applications/services more personalized.
Location has been long considered as the most important context
and numerous Location Based Services have been introduced. Proximity
detection is considered as a high level proactive location based function
that detects proximity between two mobile users. This function is needed
in diverse applications such as dating services, gaming and child tracking.
This paper presents Direction-based Dynamic Shifted Circle (DDSC)
approach which takes users direction as context in providing an efficient
proximity detection technique. Simulation experiments proved that DDSC
outperforms similar algorithms that have been introduced in literature
previously, in terms of the number of messages exchanged.
environment changes, rendering its applications/services more personalized.
Location has been long considered as the most important context
and numerous Location Based Services have been introduced. Proximity
detection is considered as a high level proactive location based function
that detects proximity between two mobile users. This function is needed
in diverse applications such as dating services, gaming and child tracking.
This paper presents Direction-based Dynamic Shifted Circle (DDSC)
approach which takes users direction as context in providing an efficient
proximity detection technique. Simulation experiments proved that DDSC
outperforms similar algorithms that have been introduced in literature
previously, in terms of the number of messages exchanged.
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