@Misc{cao07casestudy,
  author = {Yiwei Cao and Karsten Ehms and Sebastian Fiedler and Margit Hofer and Anna-Kaarina Kaiamo and Barbara Kieslinger and Ralf Klamma and Beate Krause and Milos Kravcik and Tommi Ryyppö and Marc Spaniol and Gerd Stumme and Fridolin Wild},
  title  = {Case study on social software use in distributed working environments},

  year   = {2007},
  number = {},
  url    = {http://www.prolearn-project.org/deliverables/view?id=1432},

  const  = {\ text}
}
@Inproceedings{hjss06bibsonomy,
  author = {Andreas Hotho and Robert J{\"a}schke and Christoph Schmitz and Gerd Stumme},
  title  = {BibSonomy: A Social Bookmark and Publication Sharing System},

  year   = {2006},
  number = {},
  url    = {},

  const  = {\ text}
}
@Inproceedings{hotho2006entstehen,
  author = {Andreas Hotho and Robert Jäschke and Christoph Schmitz and Gerd Stumme},
  title  = {Das Entstehen von Semantik in BibSonomy},

  year   = {2006},
  number = {},
  url    = {http://www.kde.cs.uni-kassel.de/stumme/papers/2006/hotho2006entstehen.pdf},

  const  = {\ text}
}
@Inproceedings{jaeschke07organizing,
  author = {Robert Jäschke and Miranda Grahl and Andreas Hotho and Beate Krause and Christoph Schmitz and Gerd Stumme},
  title  = {Organizing Publications and Bookmarks in BibSonomy},

  year   = {2007},
  number = {},
  url    = {http://www2007.org/workshops/paper_25.pdf},

  const  = {\ text}
}
@Article{jaeschke08discovering,
  author = {Robert Jäschke and Andreas Hotho and Christoph Schmitz and Bernhard Ganter and Gerd Stumme},
  title  = {Discovering Shared Conceptualizations in Folksonomies},
  journal = {Journal of Web Semantics},
  year   = {2008},
  number = {1},
  url    = {http://dx.doi.org/10.1016/j.websem.2007.11.004},

  const  = {\ text}
}
@Inproceedings{jaeschke2007analysis,
  author = {Robert Jäschke and Andreas Hotho and Christoph Schmitz and Gerd Stumme},
  title  = {Analysis of the Publication Sharing Behaviour in BibSonomy},

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

  const  = {\ text}
}
@Mastersthesis{rezane2006bibsonomy,
  author = {Serak Rezane},
  title  = {Folksonomies in Intranets},

  year   = {2006},
  number = {},
  url    = {},

  const  = {\ text}
}
@Misc{santosneto07,
  author = {Elizeu Santos-Neto and Matei Ripeanu and Adriana Iamnitchi},
  title  = {Tracking User Attention in Collaborative Tagging Communities},

  year   = {2007},
  number = {},
  url    = {http://arxiv.org/pdf/0705.1013},

  const  = {\ text}
}