@Unpublished{FalBar07,
  author = {Falkowski, Tanja and Barth, Anja},
  title  = {Density-based Temporal Graph Clustering for Subgroup Detection in Social Networks},

  year   = {2007},
  number = {},
  url    = {},

  const  = {\ text}
}
@Unpublished{FalBar07,
  author = {Falkowski, Tanja and Barth, Anja},
  title  = {Density-based Temporal Graph Clustering for Subgroup Detection in Social Networks},

  year   = {2007},
  number = {},
  url    = {},

  const  = {\ text}
}
@Inproceedings{grahl07conceptualKdml,
  author = {Grahl, Miranda and Hotho, Andreas and Stumme, Gerd},
  title  = {Conceptual Clustering of Social Bookmark Sites},

  year   = {2007},
  number = {},
  url    = {http://www.kde.cs.uni-kassel.de/hotho/pub/2007/kdml_recommender_final.pdf},

  const  = {\ text}
}
@Inproceedings{grahl07conceptualKdml,
  author = {Grahl, Miranda and Hotho, Andreas and Stumme, Gerd},
  title  = {Conceptual Clustering of Social Bookmark Sites},

  year   = {2007},
  number = {},
  url    = {http://www.kde.cs.uni-kassel.de/hotho/pub/2007/kdml_recommender_final.pdf},

  const  = {\ text}
}
@Inproceedings{grahl07conceptualKdml,
  author = {Grahl, Miranda and Hotho, Andreas and Stumme, Gerd},
  title  = {Conceptual Clustering of Social Bookmark Sites},

  year   = {2007},
  number = {},
  url    = {http://www.kde.cs.uni-kassel.de/hotho/pub/2007/kdml_recommender_final.pdf},

  const  = {\ text}
}
@Inproceedings{grahl2007clustering,
  author = {Grahl, Miranda and Hotho, Andreas and Stumme, Gerd},
  title  = {Conceptual Clustering of Social Bookmarking Sites},

  year   = {2007},
  number = {},
  url    = {/brokenurl#www.tagora-project.eu/wp-content/2007/06/grahl_iknow07.pdf},

  const  = {\ text}
}
@Inproceedings{grahl2007clustering,
  author = {Grahl, Miranda and Hotho, Andreas and Stumme, Gerd},
  title  = {Conceptual Clustering of Social Bookmarking Sites},

  year   = {2007},
  number = {},
  url    = {},

  const  = {\ text}
}
@Techreport{citeulike:739394,
  author = {Heymann, Paul and Garcia-Molina, Hector},
  title  = {Collaborative Creation of Communal Hierarchical Taxonomies in Social Tagging Systems},

  year   = {2006},
  number = {2006-10},
  url    = {http://dbpubs.stanford.edu:8090/pub/2006-10},

  const  = {\ text}
}
@Article{newman03fast,
  author = {Newman, M.E.J.},
  title  = {Fast algorithm for detecting community structure in networks},
  journal = {Physical Review E},
  year   = {2003},
  number = {},
  url    = {http://arxiv.org/abs/cond-mat/0309508},

  const  = {\ text}
}