@Article{begelman2006atc,
  author = {Begelman, G. and Keller, P. and Smadja, F.},
  title  = {Automated Tag Clustering: Improving search and exploration in the tag space},
  journal = {WWW2006, May},
  year   = {2006},
  number = {},
  url    = {http://www.pui.ch/phred/automated_tag_clustering/},

  const  = {\ text}
}