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As social network grows fast recently, numerous services are provided based on it. Here it is difficult for the users to choose a right service if a large number of choices exist. Recommender System (RS) is a software tool providing the suggestions of the items most useful to the user. The existing RSs do not properly consider the social relation of the entities in rating the choices. This paper proposes...
Today, mobile IPTV provides various multimedia services. Therefore, extensive researches on providing service continuity in the mobile IPTV environment are being conducted. Here reducing the user waiting time under the restriction of limited bandwidth is an important design issue in the video on-demand multicast service. In this paper we propose a scheme reducing the waiting time of a user wanting...
Multithreading is an efficient technique commonly used to maximize the performance of CPU. One of the most important challenges in multithreading is thread pool management. It needs to retain a proper number of threads in the pool, which minimizes the response time and maximizes the resource utilization. To achieve this goal, this paper proposes a novel trendy exponential moving average (TEMA) scheme...
Wireless sensor networks are widely used for gathering data in an autonomous fashion. Since sensors are power constrained devices, it is quite important for them to minimize the energy consumption. In this paper we propose an energy efficient clustering scheme for self-organizing distributed wireless sensor networks. The proposed scheme self-selects the cluster head by a novel probability function...
Context-awareness is one of the key features of ubiquitous paradigm. To intelligently and sensitively deal with dynamic environment, a methodology specifying the relationships between the contexts and services needs to be developed. It is difficult to verify the correctness of the existing models on context with respect to timeliness. In this paper we propose an approach which includes timing constraint...
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