@electronic{www.ai.sri.com,
   title       = {ie}, 
   url         = {http://www.ai.sri.com/~muslea/PS/ml4ie-aaai99.pdf},
   biburl      = {https://puma.uni-kassel.de/url/bf4faa3652c50e73e5cb17f04275b901/hotho},
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   title       = {ie}, 
   url         = {http://ieg.ifs.tuwien.ac.at/techreports/Asgaard-TR-2005-6.pdf},
   biburl      = {https://puma.uni-kassel.de/url/800db0d5f614ae54c1f5fff965cde5dd/hotho},
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@electronic{multisemcor.itc.it,
   title       = {MultiSemCor}, 
   url         = {http://multisemcor.itc.it/semcor.php},
   biburl      = {https://puma.uni-kassel.de/url/622038903979877b68b9d8d77900998e/stumme},
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@electronic{tyne.shef.ac.uk,
   title       = {[T-Rex]}, 
   url         = {http://tyne.shef.ac.uk/t-rex/index.html},
   biburl      = {https://puma.uni-kassel.de/url/6aa07bcd4657d78f938cdde17de369a9/hotho},
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@electronic{tyne.shef.ac.uk,
   title       = {[Pascal Challenge]}, 
   url         = {http://tyne.shef.ac.uk/Pascal/publications.php},
   biburl      = {https://puma.uni-kassel.de/url/2c76bd880b300cd9256683dfd3149472/hotho},
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   description = {Neil Ireson, Fabio Ciravegna, Marie Elaine Califf, Dayne Freitag, Nicholas Kushmerick, Alberto Lavelli: Evaluating Machine Learning for Information Extraction, 22nd International Conference on Machine Learning (ICML 2005), Bonn, Germany, 7-11 August, 2005},
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