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LOCAL COMMUNITY IDENTIFICATION IN SOCIAL NETWORKS

    In social networks, the detection of communities has gained considerable interest because it can be used for instance for visualization, recommendation in business applications or the analysis of the spread of infectious diseases. Many methods proposed in the literature for the solution of this problem, assume that the structure of the entire network is known, which is not realistic for very large and dynamic networks. For this reason, approaches have been introduced recently to find the local community of a node. Most of these methods often fail when the starting node is at the boundary of a community. In addition, they are not able to detect overlapping communities. In this work, we propose new methods to find local communities that don't have these drawbacks. Experiences on real and computer generated social networks such as Netscience, Amazon 2006 and Lancichinetti et al.'s benchmark show that these methods perform better than the solutions with which the comparisons were performed.

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