The Community for Technology Leaders
2010 IEEE International Conference on Data Mining (2010)
Sydney, Australia
Dec. 13, 2010 to Dec. 17, 2010
ISSN: 1550-4786
ISBN: 978-0-7695-4256-0
pp: 569-578
The increasing popularity of social media is shortening the distance between people. Social activities, e.g., tagging in Flickr, book marking in Delicious, twittering in Twitter, etc. are reshaping people’s social life and redefining their social roles. People with shared interests tend to form their groups in social media, and users within the same community likely exhibit similar social behavior (e.g., going for the same movies, having similar political viewpoints), which in turn reinforces the community structure. The multiple interactions in social activities entail that the community structures are often overlapping, i.e., one person is involved in several communities. We propose a novel co-clustering framework, which takes advantage of networking information between users and tags in social media, to discover these overlapping communities. In our method, users are connected via tags and tags are connected to users. This explicit representation of users and tags is useful for understanding group evolution by looking at who is interested in what. The efficacy of our method is supported by empirical evaluation in both synthetic and online social networking data.
Community Detection, Overlapping, Social Media, Co-Clustering

X. Wang, H. Liu, H. Gao and L. Tang, "Discovering Overlapping Groups in Social Media," 2010 IEEE International Conference on Data Mining(ICDM), Sydney, Australia, 2010, pp. 569-578.
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