Community-based topic modeling for social tagging

  title={Community-based topic modeling for social tagging},
  author={Daifeng Li and Bing He and Ying Ding and Jie Tang and Cassidy R. Sugimoto and Zheng Qin and Erjia Yan and Juan-Zi Li and Tianxi Dong},
Exploring community is fundamental for uncovering the connections between structure and function of complex networks and for practical applications in many disciplines such as biology and sociology. In this paper, we propose a TTR-LDA-Community model which combines the Latent Dirichlet Allocation model (LDA) and the Girvan-Newman community detection algorithm with an inference mechanism. The model is then applied to data from Delicious, a popular social tagging system, over the time period of… CONTINUE READING
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