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By Xiaowen Dong, Pascal Frossard, Pierre V and Nikolai Nefedov


Mobile phone data provides rich dynamic information on human activities in social network analysis. In this paper, we represent data from two different modalities as a graph and functions defined on the vertex set of the graph. We propose a regularization framework for the joint utilization of these two modalities of data, which enables us to model evolution of social network information and efficiently classify relationships among mobile phone users. Simulations based on real world data demonstrate the potential application of our model in dynamic scenarios, and present competitive results to baseline methods for combining multimodal data in the learning and clustering communities. Index Terms — Multimodal data, regularization on graphs, classification and clusterin

Year: 2011
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