@Inproceedings{schmitz2006content,
  author = {Schmitz, Christoph and Hotho, Andreas and Jäschke, Robert and Stumme, Gerd},
  title  = {Content Aggregation on Knowledge Bases using Graph Clustering},

  year   = {2006},
  number = {},
  url    = {http://www.kde.cs.uni-kassel.de/stumme/papers/2006/schmitz2006content.pdf},

  const  = {\ text}
}
@Inproceedings{schmitz2006content,
  author = {Schmitz, Christoph and Hotho, Andreas and J\"aschke, Robert and Stumme, Gerd},
  title  = {Content Aggregation on Knowledge Bases using Graph Clustering},

  year   = {2006},
  number = {},
  url    = {http://www.kde.cs.uni-kassel.de/hotho/pub/2006/schmitz2006sumarize_eswc.pdf},

  const  = {\ text}
}
@Inproceedings{schmitz2006content,
  author = {Schmitz, Christoph and Hotho, Andreas and Jäschke, Robert and Stumme, Gerd},
  title  = {Content Aggregation on Knowledge Bases using Graph Clustering},

  year   = {2006},
  number = {},
  url    = {http://www.kde.cs.uni-kassel.de/stumme/papers/2006/schmitz2006content.pdf},

  const  = {\ text}
}