@electronic{www.vanderwal.net,
   title       = {Folksonomy Presentation}, 
   url         = {http://www.vanderwal.net/essays/051130/folksonomy.pdf},
   biburl      = {https://puma.uni-kassel.de/url/8987028427e477d7e1c1a4430784d08e/stephandoerfel},
   keywords    = {assumption basics folksonomy presentation weblog},
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@electronic{www.asis.org,
   title       = {Methodological Approach in Discovering User Search Patterns through Web Log Analysis}, 
   url         = {http://www.asis.org/Bulletin/Oct-00/janses___spink.html},
   biburl      = {https://puma.uni-kassel.de/url/2a3bc2437a868a19b25d26e7f7bacaf8/stephandoerfel},
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@electronic{www.spiegel.de,
   title       = {Medien in der Krise: Warum Deutschland Blog-Hemmung hat}, 
   url         = {http://www.spiegel.de/kultur/gesellschaft/0,1518,623407,00.html},
   biburl      = {https://puma.uni-kassel.de/url/a1af78bc38434dc4109e2f89893f3552/droessler},
   keywords    = {blog puma-blog weblog},
   added-at    = {2012-01-28T18:39:43.000+0100},
   description = {Er gilt als einer der profiliertesten US-Wirtschaftsblogger - und ist enttäuscht von der Szene in Deutschland. Im "SZ-Magazin" nennt Felix Salmon zehn Gründe, warum er sich hier keine lebhafte Blogosphäre vorstellen kann.},
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@electronic{www.rashmisinha.com,
   title       = {Rashmi Sinha's weblog}, 
   url         = {http://www.rashmisinha.com/},
   biburl      = {https://puma.uni-kassel.de/url/36d26968d5780aa9eea8f9f9b6355cf8/hotho},
   keywords    = {weblog book researcher},
   added-at    = {2006-09-08T12:52:01.000+0200},
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