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The number of elders who encounter falling accidents has been increasing in the past few decades. Falling accidents could cause major injuries, such as having bruise, breaking bone, and in the worst case, losing life. Therefore, preventing elders from falling accidents is important in order to ensure the quality of life. In this paper, we propose Fatigue(More)
Online social network applications explicitly define " friends " with equally weighted links among people. While it is necessary to treat every friend equally from the aspect of expanding friends networks, it is not suitable to do so for context aware services which provide users appropriate information from friend in proper timing. In this paper, we focus(More)
The present paper introduces a power service discovery system. The power service discovery system realizes new power services on a smart grid. The new power services are based on the selection of generations, which enables us to provide/receive electricity under specific conditions. We describe the design and implementation of the power service discovery(More)
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