@electronic{www.informatik.uni-rostock.de,
   title       = {treevis.net}, 
   url         = {http://www.informatik.uni-rostock.de/~hs162/treeposter/poster.html},
   biburl      = {https://puma.uni-kassel.de/url/e7ae8ff40d8a0ab5421dfcb8ff7ea838/hotho},
   keywords    = {time tree treevisnet vizalisation},
   added-at    = {2012-06-15T13:11:15.000+0200},
   description = {treevis.net - A Visual Bibliography of Tree Visualization 2.0 *beta* by Hans-Jörg Schulz},
   interhash   = {e7ae8ff40d8a0ab5421dfcb8ff7ea838}, 
   intrahash   = {e7ae8ff40d8a0ab5421dfcb8ff7ea838}
}

@electronic{flowingdata.com,
   title       = {Showing the Obama-Clinton Divide in Decision Tree Infographic | FlowingData}, 
   url         = {http://flowingdata.com/2008/04/23/showing-the-obama-clinton-divide-in-decision-tree-infographic/},
   biburl      = {https://puma.uni-kassel.de/url/1f3f9ab14135bf5ff16e99faee12e3fb/hotho},
   keywords    = {decision election fun tree us wahl},
   added-at    = {2008-04-26T12:35:23.000+0200},
   description = {Showing the Obama-Clinton Divide in Decision Tree Infographic},
   interhash   = {1f3f9ab14135bf5ff16e99faee12e3fb}, 
   intrahash   = {1f3f9ab14135bf5ff16e99faee12e3fb}
}

@electronic{wortschatz.informatik.uni-leipzig.de,
   title       = {Q-Inform-Retrieval-1-ss04-Inhalt}, 
   url         = {http://wortschatz.informatik.uni-leipzig.de/asv/lehre/ss04/Q-Inform-Retrieval-1-ss04-Inhalt.html},
   biburl      = {https://puma.uni-kassel.de/url/1d93a09cf2dd6feefdbfa4b36950f381/hotho},
   keywords    = {lecture folien PAT vorlesung ir tree},
   added-at    = {2005-09-19T09:47:24.000+0200},
   description = {},
   interhash   = {1d93a09cf2dd6feefdbfa4b36950f381}, 
   intrahash   = {1d93a09cf2dd6feefdbfa4b36950f381}
}