@Inproceedings{markines2009evaluating,
  author = {Markines, Benjamin and Cattuto, Ciro and Menczer, Filippo and Benz, Dominik and Hotho, Andreas and Stumme, Gerd},
  title  = {Evaluating Similarity Measures for Emergent Semantics of Social Tagging},

  year   = {2009},
  number = {},
  url    = {http://www.kde.cs.uni-kassel.de/pub/pdf/markines2009evaluating.pdf},

  const  = {\ text}
}
@Inproceedings{markines2009evaluating,
  author = {Markines, Benjamin and Cattuto, Ciro and Menczer, Filippo and Benz, Dominik and Hotho, Andreas and Stumme, Gerd},
  title  = {Evaluating Similarity Measures for Emergent Semantics of Social Tagging},

  year   = {2009},
  number = {},
  url    = {http://www.kde.cs.uni-kassel.de/pub/pdf/markines2009evaluating.pdf},

  const  = {\ text}
}
@Inproceedings{markines2009evaluating,
  author = {Markines, Benjamin and Cattuto, Ciro and Menczer, Filippo and Benz, Dominik and Hotho, Andreas and Stumme, Gerd},
  title  = {Evaluating Similarity Measures for Emergent Semantics of Social Tagging},

  year   = {2009},
  number = {},
  url    = {http://www2009.eprints.org/65/},

  const  = {\ text}
}