@article{cantador:bes,
  author = {Cantador, I. and Castells, P.},
  interhash = {876722af69956aa42f7cb1260b456a5a},
  intrahash = {eeb2ea8c8f39f6057465b38eea991582},
  title = {{Building Emergent Social Networks and Group Profiles by Semantic User Preference Clustering}},
  year = 2006
}