@electronic{www.web2null.de,
   title       = {Web2Null: das Web2.0 Sammelalbum}, 
   url         = {http://www.web2null.de/},
   biburl      = {https://puma.uni-kassel.de/url/ac57226469a187023bc511ccf11b2417/hotho},
   keywords    = {web 2.0 folksonomy survey references review links},
   added-at    = {2006-09-12T09:34:54.000+0200},
   description = {},
   interhash   = {ac57226469a187023bc511ccf11b2417}, 
   intrahash   = {ac57226469a187023bc511ccf11b2417}
}

@electronic{www.connotea.org,
   title       = {Connotea: Bookmarks matching tag folksonomies}, 
   url         = {http://www.connotea.org/tag/folksonomies?num=25},
   biburl      = {https://puma.uni-kassel.de/url/911951110beb823082afefc5f08b21fe/hotho},
   keywords    = {citation connotea bookmark folksonomy tools references},
   added-at    = {2006-09-12T09:34:04.000+0200},
   description = {},
   interhash   = {911951110beb823082afefc5f08b21fe}, 
   intrahash   = {911951110beb823082afefc5f08b21fe}
}

@electronic{www.programmableweb.com,
   title       = {ProgrammableWeb: Web 2.0 API Reference}, 
   url         = {http://www.programmableweb.com/apis},
   biburl      = {https://puma.uni-kassel.de/url/07aa3b1e31b0c201c79ca60348ca1e99/hotho},
   keywords    = {web list 2.0 folksonomy api references links},
   added-at    = {2006-02-18T14:34:55.000+0100},
   description = {},
   interhash   = {07aa3b1e31b0c201c79ca60348ca1e99}, 
   intrahash   = {07aa3b1e31b0c201c79ca60348ca1e99}
}