Stochastic Network Motif Detection in Social Media

  • Authors:
  • Kai Liu;William K. Cheung;Jiming Liu

  • Affiliations:
  • -;-;-

  • Venue:
  • ICDMW '11 Proceedings of the 2011 IEEE 11th International Conference on Data Mining Workshops
  • Year:
  • 2011

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Abstract

Network motifs refer to recurrent patterns of interconnections which are found to be over-represented in real networks when compared with random ones. Such basic building blocks can well characterize the structure of complex networks. Extending the building blocks to stochastic ones allows for more robust motif detection networks which are stochastic in nature. Network motif analysis, commonly adopted in bioinformatics, has recently been applied to also online social media. In this paper, we propose to detect stochastic network motifs in social media with the conjecture that social interactions are of stochastic nature. In particular, we apply a stochastic motif detection algorithm based on the finite mixture model to both synthesized datasets and real on-line datasets to evaluate the effectiveness. Also, we discuss how the obtained stochastic motifs could be interpreted and compared qualitatively with some of the results obtained from others which are recently reported in the literature.