@electronic{dev.mendeley.com,
   title       = {Mendeley's DataTEL Data Set | Mendeley Developers Portal}, 
   url         = {http://dev.mendeley.com/datachallenge/},
   biburl      = {https://puma.uni-kassel.de/url/9624d8840c3535de9328b75e58b98d2b/hotho},
   keywords    = {data dataset datatel mendeley set todo},
   added-at    = {2010-11-14T15:54:58.000+0100},
   description = {Mendeley's DataTEL Data Set},
   interhash   = {9624d8840c3535de9328b75e58b98d2b}, 
   intrahash   = {9624d8840c3535de9328b75e58b98d2b}
}

@electronic{plg.uwaterloo.ca,
   title       = {Trec Spam Corpus}, 
   url         = {http://plg.uwaterloo.ca/~gvcormac/treccorpus/},
   biburl      = {https://puma.uni-kassel.de/url/612bf65a435736bdb79b895c6b070429/hotho},
   keywords    = {trec spam set data dataset corpus},
   added-at    = {2006-09-04T15:42:51.000+0200},
   description = {},
   interhash   = {612bf65a435736bdb79b895c6b070429}, 
   intrahash   = {612bf65a435736bdb79b895c6b070429}
}