@electronic{googleresearch.blogspot.de,
   title       = {Learning from Big Data: 40 Million Entities in Context}, 
   url         = {http://googleresearch.blogspot.de/2013/03/learning-from-big-data-40-million.html},
   biburl      = {https://puma.uni-kassel.de/url/14073030361b1ef9cfcc6881845c9a28/hotho},
   keywords    = {40 data dataset learning million wikipedia},
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@electronic{www.kaggle.com,
   title       = {Description - Million Song Dataset Challenge - Kaggle}, 
   url         = {https://www.kaggle.com/c/msdchallenge},
   biburl      = {https://puma.uni-kassel.de/url/4d9684dccd47ad104d5fa19f09837028/hotho},
   keywords    = {categorization dataset million music musik prediction songs},
   added-at    = {2012-04-30T12:57:55.000+0200},
   description = {Kaggle is a platform for data prediction competitions. Companies, organizations and researchers post their data and have it scrutinized by the world's best statisticians.},
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