@Incollection{ls_leimeister,
  author = {Hoffmann, Axel and Bittner, Eva Alice Christiane and Leimeister, Jan Marco},
  title  = {The Emergence of Mutual and Shared Understanding in the System Development Process},

  year   = {2013},
  number = {7830},
  url    = {http://pubs.wi-kassel.de/wp-content/uploads/2013/04/JML_410.pdf},

  const  = {\ text}
}
@Article{jaeschke08discovering,
  author = {Jäschke, Robert and Hotho, Andreas and Schmitz, Christoph and Ganter, Bernhard and Stumme, Gerd},
  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}
}
@Article{jaeschke08discovering,
  author = {Jäschke, Robert and Hotho, Andreas and Schmitz, Christoph and Ganter, Bernhard and Stumme, Gerd},
  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}
}
@Misc{Ma04,
  author = {Mathes, Adam},
  title  = {Folksonomies -- Cooperative Classification and Communication Through Shared Metadata},

  year   = {2004},
  number = {},
  url    = {http://www.adammathes.com/academic/computer-mediated-communication/folksonomies.html},

  const  = {\ text}
}