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Data broadcasting is an effective approach to disseminating information to mobile clients and has attracted much research attention in recent years. In many applications, the access pattern among the data can be represented by a weighted DAG. In this paper, we consider the problem of efficiently generating the broadcast schedules on multiple channels when the data set has a DAG access pattern. We...
Data broadcasting is an effective way to disseminate information to a large amount of mobile clients in wireless mobile environments. K nearest neighbors (kNN) search is one of the important location-based services and allows clients to get the points of interests around them in a given data set. In this paper, we propose a kNN search protocol using multiple data broadcast channel. We provide several...
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