@electronic{www.prolearn-project.org,
   title       = {WP Social Software in PROLEARN - Network of Excellence in Professional Learning}, 
   url         = {http://www.prolearn-project.org/articles/wp15/index.html},
   biburl      = {https://puma.uni-kassel.de/url/794554ddcbed3e153ff01b268ae3f842/stumme},
   keywords    = {social folksonomies tagging software prolearn},
   added-at    = {2006-05-31T14:01:00.000+0200},
   description = {},
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}

@electronic{three-mode.leidenuniv.nl,
   title       = {The Three-Mode Company Home Page}, 
   url         = {http://three-mode.leidenuniv.nl/},
   biburl      = {https://puma.uni-kassel.de/url/e5c2456a50f241d855e9fc51fa7d1dce/stumme},
   keywords    = {folksonomies data mode three analysis leiden},
   added-at    = {2006-10-25T15:57:07.000+0200},
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   intrahash   = {e5c2456a50f241d855e9fc51fa7d1dce}
}

@electronic{www.youtube.com,
   title       = {YouTube - Social Bookmarking in Plain English}, 
   url         = {http://www.youtube.com/watch?v=x66lV7GOcNU},
   biburl      = {https://puma.uni-kassel.de/url/8a706aca5e5f54150accd5aa0a795937/stumme},
   keywords    = {bookmarking folksonomies social tagging youtube},
   added-at    = {2008-04-29T15:55:46.000+0200},
   description = {},
   interhash   = {8a706aca5e5f54150accd5aa0a795937}, 
   intrahash   = {8a706aca5e5f54150accd5aa0a795937}
}

@electronic{www.slideshare.net,
   title       = {Helping online communities enrich folksonomies}, 
   url         = {http://www.slideshare.net/Freddy.Limpens/helping-online-communities-enrich-folksonomies},
   biburl      = {https://puma.uni-kassel.de/url/d22c339d3db99d5fcca65a5a42d99d69/benz},
   keywords    = {folksonomies freddy_limpens semantic_enrichment www2010},
   added-at    = {2011-02-04T16:07:28.000+0100},
   description = {This paper presents our approach to collaborative and semiautomated semantic structuring of folksonomies. Tags freely pr},
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   intrahash   = {d22c339d3db99d5fcca65a5a42d99d69}
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@electronic{eprints.ecs.soton.ac.uk,
   title       = {CREATING STRUCTURE FROM DISORDER: Using Folksonomies to create semantic metadata}, 
   url         = {http://eprints.ecs.soton.ac.uk/13341/1/WEBIST.pdf},
   biburl      = {https://puma.uni-kassel.de/url/f93e1b37904179a8c4b3dd0c49205e4b/benz},
   keywords    = {folksonomies metadata semantics},
   added-at    = {2011-02-04T16:09:03.000+0100},
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@electronic{www.ohiolink.edu,
   title       = {Tagging and Searching: Search Retrieval Effectiveness of Folksonomies on the Web}, 
   url         = {http://www.ohiolink.edu/etd/send-pdf.cgi/Morrison,%20Patrick%20Jason.pdf?acc_num=kent1177305096},
   biburl      = {https://puma.uni-kassel.de/url/fa1151402a340ee14a1ceeeee0de3161/benz},
   keywords    = {folksonomies search thesis},
   added-at    = {2011-02-04T16:09:04.000+0100},
   description = {},
   interhash   = {fa1151402a340ee14a1ceeeee0de3161}, 
   intrahash   = {fa1151402a340ee14a1ceeeee0de3161}
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@electronic{mercurio.ii.uam.es,
   title       = {CTag context viewer for folksonomies}, 
   url         = {http://mercurio.ii.uam.es:8080/cTagDemo/clusters.iface},
   biburl      = {https://puma.uni-kassel.de/url/c3aad633f588b334402aa84cb313f775/benz},
   keywords    = {context ctag folksonomies viewer},
   added-at    = {2011-03-24T23:23:06.000+0100},
   description = {},
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