@Incollection{tagging-cattuto,
  author = {Cattuto, Ciro and Benz, Dominik and Hotho, Andreas and Stumme, Gerd},
  title  = {Semantic Grounding of Tag Relatedness in Social Bookmarking Systems},
  journal = {The Semantic Web - ISWC 2008},
  year   = {2008},
  number = {},
  url    = {http://tagora-project.eu/wp-content/2009/09/cattuto_iswc2008.pdf},
  doi = {10.1007/978-3-540-88564-1\_39},
  const  = {\ text}
}
@Inproceedings{cattuto2008semantic,
  author = {Cattuto, Ciro and Benz, Dominik and Hotho, Andreas and Stumme, Gerd},
  title  = {Semantic Grounding of Tag Relatedness in Social Bookmarking Systems},

  year   = {2008},
  number = {},
  url    = {http://dx.doi.org/10.1007/978-3-540-88564-1_39},

  const  = {\ text}
}