@Inproceedings{xu2006towards,
  author = {Xu, Zhichen and Fu, Yun and Mao, Jianchang and Su, Difu},
  title  = {Towards the Semantic Web: Collaborative Tag Suggestions},

  year   = {2006},
  number = {},
  url    = {http://.inf.unisi.ch/phd/mesnage/site/Readings/Readings.html},

  const  = {\ text}
}