@electronic{research.yahoo.com,
   title       = {TagLines: Visualizing tags over time}, 
   url         = {http://research.yahoo.com/taglines/},
   biburl      = {https://puma.uni-kassel.de/url/94ee9dea0318ddff84e0df6f884687cf/benz},
   keywords    = {tag tagcloud timeline visualization yahoo},
   added-at    = {2011-02-04T16:08:56.000+0100},
   description = {},
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}

@electronic{www.semags.de,
   title       = {semags - synonyme / semantische tags suche}, 
   url         = {http://www.semags.de/},
   biburl      = {https://puma.uni-kassel.de/url/fdfb0561e187534f9118633a5eb83042/benz},
   keywords    = {online query_extension semantic semantics sematag service tag tool website},
   added-at    = {2011-02-04T16:07:33.000+0100},
   description = {},
   interhash   = {fdfb0561e187534f9118633a5eb83042}, 
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}