@electronic{www.ims.uni-stuttgart.de,
   title       = {TreeTagger}, 
   url         = {http://www.ims.uni-stuttgart.de/projekte/corplex/TreeTagger/},
   biburl      = {https://puma.uni-kassel.de/url/ef97328eb91f99a0d5e14c5f320d9639/stephandoerfel},
   keywords    = {language tag tree treetagger},
   added-at    = {2011-10-27T16:22:09.000+0200},
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@electronic{josquin.cs.depaul.edu,
   title       = {Maryam Ramezani HomePage}, 
   url         = {http://josquin.cs.depaul.edu/~mramezani/},
   biburl      = {https://puma.uni-kassel.de/url/64adad46c152141084513b05f55916fd/stephandoerfel},
   keywords    = {folksonomy ramezani recommendation recommender tag},
   added-at    = {2010-11-19T15:43:40.000+0100},
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