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Micro-blog has become a symbol of the novel social media, and because of its rapid development in such a short time, many research researchers are full of enthusiasm about it. We take use of Latent Dirichlet Allocation (LDA) Model which has excellent dimension reduction capability and can excavate latent semantic from texts to discover popular topics. We improve the original LDA model to FSC-LDA model...
Protecting the users' privacy while mining information from massive data has become a popular research topic in recent years. Perturbation and reconstruction are two common technologies in implementing privacy preserving data mining. In this paper, a novel perturbation method based on GM(1,1) model is proposed and applied to data clustering. The effectiveness and efficiency of the proposed method...
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