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A method for surface reconstruction from scattered point cloud based on the combination of RBF and POU is proposed. First, point cloud is decomposed into a set of slightly overlapping subdomains in the form of binary tree. Next, local reconstruction functions are evaluated by using radial basis functions in each subdomain. Then, the global reconstruction function is obtained by weighted blending of...
The lack of developing platforms and the incompatibilities of protocols result in difficulties in rapidly developing P2P applications, and JXTA proposed by SUN corporation is an opensource platform to solve these problems, but it still needs to be improved. The characteristics between JXTA and mobile agent are analyzed in this paper. A novel JXTA architecture based on mobile agent is proposed. A new...
The trust rating of recommendation for one entity greatly depends on the trust in the recommenders' ability to provide recommendations. To prevent the cahoots, cheating and fluctuant fraudulence in recommendation, we studied the characteristics of the two classes of true and false recommendation. On the basis of the analysis of the feature set, a distinguishing model is created to effectively identify...
Presently it is still challenge to develop, administrate and maintain large scale distributed e-business systems over heterogeneous open network environments. A flexible and intelligent dynamic agent institution framework is proposed to cope with the problems arising in this type of systems. Firstly a novel policy-driven service-augmented social agent architecture is designed, which serves as a basic...
Computational thinking is taken for the fundamental skills for everyone, not just computer scientist, to learn and use. It remains to be explored in many aspects how to understand the essence of computational thinking and how cultivate the computational thinking ability of students. In the view of course teaching of computer science, this paper discusses the perception of the essence of computational...
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