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Detecting the collaborative cheating in an online shopping system is an important but challenging issue. In this paper, we propose a novel approach to detect the collusive manipulation on ratings in Amazon, an online shopping system. Rather than focusing on rating values, we believe the online shopping and rating activities have nontrivial attributes in terms of social network connections. Our major...
The selling and buying of digital products via Internet not only saves business cost and time, but also makes it possible for us to control the usage of media remotely by the interaction between the client and server. The digital content is encrypted and packed with the client controller program into an all-in-one package. When the client opens the package, controller program starts to run, accessing...
Virtual network is an important approach to support multiple legacy applications running unmodified in distributed virtual computing environments. A virtual networking approach called VirNet is proposed in this paper. VirNet can build multiple customized and isolated virtual networks simultaneously on the same physical hosts in the network, and it enables existing distributed applications written...
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