@electronic{visualmotive.com,
   title       = {Where is Twitter? - map of 250,000 Twitter users}, 
   url         = {http://visualmotive.com/twittermap/},
   biburl      = {https://puma.uni-kassel.de/url/5051b41135d211c377abfecd573fe52e/hotho},
   keywords    = {social tools twitter visualization},
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@electronic{socialmedia.typepad.com,
   title       = {Social Media Research Blog: Social Network Visualization Eyecandy}, 
   url         = {http://socialmedia.typepad.com/blog/2008/10/social-network-visualization-eyecandy.html},
   biburl      = {https://puma.uni-kassel.de/url/0006fe7ff424db6bda53bc2fe27c1ad0/hotho},
   keywords    = {blog community detection graph media network post social visualization},
   added-at    = {2009-04-28T15:06:41.000+0200},
   description = {Visualization of graph data is incredibly challenging, particularly when it comes to extremely large, scale-free graphs and social networks. A few simple searches on the Web and you will find some mesmerizing and very cool images. Perhaps the most cited...},
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@electronic{visone.info,
   title       = {visone - analysis and visualization of social networks}, 
   url         = {http://visone.info/},
   biburl      = {https://puma.uni-kassel.de/url/17e02e0dea6aa9e8bc0d927b2f83fcbd/hotho},
   keywords    = {analysis network sna social software visualization},
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   intrahash   = {17e02e0dea6aa9e8bc0d927b2f83fcbd}
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@electronic{www.visualcomplexity.com,
   title       = {visualcomplexity.com | A visual exploration on mapping complex networks}, 
   url         = {http://www.visualcomplexity.com/vc/},
   biburl      = {https://puma.uni-kassel.de/url/35a0529de0bf6433f05b50af04b230a4/hotho},
   keywords    = {network social tools visualization},
   added-at    = {2007-03-28T14:29:29.000+0200},
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