@Inproceedings{benz2009managing,
  author = {Benz, Dominik and Eisterlehner, Folke and Hotho, Andreas and Jäschke, Robert and Krause, Beate and Stumme, Gerd},
  title  = {Managing publications and bookmarks with BibSonomy},

  year   = {2009},
  number = {},
  url    = {http://www.kde.cs.uni-kassel.de/pub/pdf/benz2009managing.pdf},
  doi = {10.1145/1557914.1557969},
  const  = {\ text}
}
@Article{jaeschke2008tag,
  author = {Jäschke, Robert and Marinho, Leandro and Hotho, Andreas and Schmidt-Thieme, Lars and Stumme, Gerd},
  title  = {Tag Recommendations in Social Bookmarking Systems},
  journal = {AI Communications},
  year   = {2008},
  number = {4},
  url    = {http://dx.doi.org/10.3233/AIC-2008-0438},
  doi = {10.3233/AIC-2008-0438},
  const  = {\ text}
}
@Inproceedings{krause2008logsonomy,
  author = {Krause, Beate and Jäschke, Robert and Hotho, Andreas and Stumme, Gerd},
  title  = {Logsonomy - Social Information Retrieval with Logdata},

  year   = {2008},
  number = {},
  url    = {http://portal.acm.org/citation.cfm?id=1379092.1379123&coll=ACM&dl=ACM&type=series&idx=SERIES399&part=series&WantType=Journals&title=Proceedings%20of%20the%20nineteenth%20ACM%20conference%20on%20Hypertext%20and%20hypermedia},
  doi = {http://doi.acm.org/10.1145/1379092.1379123},
  const  = {\ text}
}