@InProceedings{YongRen:2012,
  author = {Yong Ren, Nobuhiro Kaji, Naoki Yoshinaga, and Masaru Kitsuregawa},
  title = {Mining Representative Posts in Sina Weibo},
  booktitle = {第10回日本データベース学会年次大会(DEIM 2012)},
  year      = {2012},
}