@electronic{iin2009.dke-research.de,
   title       = {IIN 2009: Interacting with Information Networks}, 
   url         = {http://iin2009.dke-research.de/index.php/},
   biburl      = {https://puma.uni-kassel.de/url/87721a92e15b4722381c4c1ae8ce36c9/benz},
   keywords    = {iin iin2009 workshop},
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@electronic{research.yahoo.com,
   title       = {Clique Analysis of Query Log Graphs | Yahoo! Research}, 
   url         = {http://research.yahoo.com/node/2610},
   biburl      = {https://puma.uni-kassel.de/url/d6f0358c29ba14c649d717a33fe95da9/benz},
   keywords    = {analysis clique iin logs query semantics toread},
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