@Misc{capocci2007taxonomy,
  author = {Capocci, A. and Rao, F. and Caldarelli, G.},
  title  = {Taxonomy and clustering in collaborative systems: the case of the on-line encyclopedia Wikipedia},

  year   = {2007},
  number = {},
  url    = {http://www.citebase.org/abstract?id=oai:arXiv.org:0710.3058},

  const  = {\ text}
}