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Exploring multiple clusterings in attributed graphs

Published: 13 April 2015 Publication History

Abstract

Many graph clustering algorithms aim at generating a single partitioning (clustering) of the data. However, there can be many ways a dataset can be clustered. From a exploratory analisys perspective, given a dataset, the availability of many different and non-redundant clusterings is important for data understanding. Each one of these clusterings could provide a different insight about the data. In this paper, we propose M-CRAG, a novel algorithm that generates multiple non-redundant clusterings from an attributed graph. We focus on attributed graphs, in which each vertex is associated to a n-tuple of attributes (e.g., in a social network, users have interests, gender, age, etc.). M-CRAG adds Artificial edges between similar vertices of the attributed graph, which results in an augmented attributed graph. This new graph is then given as input to our clustering algorithm (CRAG). Experimental results indicate that M-CRAG is effective in providing multiple clusterings from an attributed graph.

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    cover image ACM Conferences
    SAC '15: Proceedings of the 30th Annual ACM Symposium on Applied Computing
    April 2015
    2418 pages
    ISBN:9781450331968
    DOI:10.1145/2695664
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    Published: 13 April 2015

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    Author Tags

    1. attributed graph clustering
    2. multiple clustering
    3. spectral clustering

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    SAC 2015: Symposium on Applied Computing
    April 13 - 17, 2015
    Salamanca, Spain

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    SAC '15 Paper Acceptance Rate 291 of 1,211 submissions, 24%;
    Overall Acceptance Rate 1,650 of 6,669 submissions, 25%

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