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}
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}
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  const  = {\ text}
}
@Article{noKey,
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  number = {1},
  url    = {http://dx.doi.org/10.1007/s00287-010-0485-8},
  doi = {10.1007/s00287-010-0485-8},
  const  = {\ text}
}
@Article{noKey,
  author = {Krause, Beate and Lerch, Hana and Hotho, Andreas and Roßnagel, Alexander and Stumme, Gerd},
  title  = {Datenschutz im Web 2.0 am Beispiel des sozialen Tagging-Systems BibSonomy},
  journal = {Informatik-Spektrum},
  year   = {2012},
  number = {1},
  url    = {http://dx.doi.org/10.1007/s00287-010-0485-8},
  doi = {10.1007/s00287-010-0485-8},
  const  = {\ text}
}
@Article{noKey,
  author = {Krause, Beate and Lerch, Hana and Hotho, Andreas and Roßnagel, Alexander and Stumme, Gerd},
  title  = {Datenschutz im Web 2.0 am Beispiel des sozialen Tagging-Systems BibSonomy},
  journal = {Informatik-Spektrum},
  year   = {2012},
  number = {1},
  url    = {http://dx.doi.org/10.1007/s00287-010-0485-8},
  doi = {10.1007/s00287-010-0485-8},
  const  = {\ text}
}
@Article{noKey,
  author = {Krause, Beate and Lerch, Hana and Hotho, Andreas and Roßnagel, Alexander and Stumme, Gerd},
  title  = {Datenschutz im Web 2.0 am Beispiel des sozialen Tagging-Systems BibSonomy},
  journal = {Informatik-Spektrum},
  year   = {2012},
  number = {1},
  url    = {http://dx.doi.org/10.1007/s00287-010-0485-8},
  doi = {10.1007/s00287-010-0485-8},
  const  = {\ text}
}
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}
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  url    = {},

  const  = {\ text}
}
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  doi = {10.1007/978-3-642-15464-5_46},
  const  = {\ text}
}
@Article{Benz:2010:SBP:1921763.1921804,
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  number = {6},
  url    = {http://dx.doi.org/10.1007/s00778-010-0208-4},
  doi = {10.1007/s00778-010-0208-4},
  const  = {\ text}
}
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  year   = {2010},
  number = {2},
  url    = {},

  const  = {\ text}
}
@Inproceedings{heckner2009personal,
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  title  = {Personal Information Management vs. Resource Sharing: Towards a Model of Information Behaviour in Social Tagging Systems},

  year   = {2009},
  number = {},
  url    = {},

  const  = {\ text}
}
@Article{noy2008challenge,
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  journal = {IEEE Intell Syst},
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  number = {1},
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  const  = {\ text}
}