@electronic{heymann.stanford.edu,
   title       = {Tag Spam}, 
   url         = {http://heymann.stanford.edu/tagspam.html},
   biburl      = {https://puma.uni-kassel.de/url/22399620dafee1777649682e11f83ee3/hotho},
   keywords    = {? folksonomy model spam tagging},
   added-at    = {2009-02-20T16:24:01.000+0100},
   description = {},
   interhash   = {22399620dafee1777649682e11f83ee3}, 
   intrahash   = {22399620dafee1777649682e11f83ee3}
}