@Inproceedings{1180904,
  author = {Shilad Sen and Shyong K. Lam and Al Mamunur Rashid and Dan Cosley and Dan Frankowski and Jeremy Osterhouse and F. Maxwell Harper and John Riedl},
  title  = {tagging, communities, vocabulary, evolution},

  year   = {2006},
  number = {},
  url    = {http://portal.acm.org/citation.cfm?id=1180875.1180904},
  doi = {http://doi.acm.org/10.1145/1180875.1180904},
  const  = {\ text}
}