@electronic{www.w3.org,
   title       = {W3C Ubiquitous Web Domain}, 
   url         = {http://www.w3.org/UbiWeb/},
   biburl      = {https://puma.uni-kassel.de/url/416519f33ca8f43e7b4cefb9329c5719/stumme},
   keywords    = {l3s ubiquitous venus web web20},
   added-at    = {2010-01-21T14:42:18.000+0100},
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}

@electronic{www.w3.org,
   title       = {The Ubiquitous Web (1)}, 
   url         = {http://www.w3.org/2005/Talks/0621-dsr-ubiweb/#(1)},
   biburl      = {https://puma.uni-kassel.de/url/8ae5f74202402d39a072b88b4c0d3d52/stumme},
   keywords    = {l3s ubiquitous venus web web20},
   added-at    = {2010-01-21T14:40:03.000+0100},
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}

@electronic{www.smartmobs.com,
   title       = {Smart Mobs: Ubiquitous Social Encyclopedia}, 
   url         = {http://www.smartmobs.com/archive/2005/05/02/ubiquitous_soci.html},
   biburl      = {https://puma.uni-kassel.de/url/e13a0cf957c5f439ffcd2f01c76e2440/stumme},
   keywords    = {Encyclopedia Ubiquitous Social},
   added-at    = {2006-01-05T13:52:15.000+0100},
   description = {},
   interhash   = {e13a0cf957c5f439ffcd2f01c76e2440}, 
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