@electronic{browser.zitgist.com,
   title       = {Zitgist Browser: browsing the Semantic Web}, 
   url         = {http://browser.zitgist.com/},
   biburl      = {https://puma.uni-kassel.de/url/94fbe51d7d8f51319c2c7b599732db26/hotho},
   keywords    = {browser format rdf semantic web},
   added-at    = {2007-10-22T20:34:22.000+0200},
   description = {},
   interhash   = {94fbe51d7d8f51319c2c7b599732db26}, 
   intrahash   = {94fbe51d7d8f51319c2c7b599732db26}
}

@electronic{www.conzilla.org,
   title       = {Conzilla - A Concept Browser | Overview / Overview browse}, 
   url         = {http://www.conzilla.org/wiki/Overview/Main},
   biburl      = {https://puma.uni-kassel.de/url/d543ce5845481acc61e8978731a5be2e/hotho},
   keywords    = {browser concept knowledge mindmap rdf semantic web},
   added-at    = {2007-03-29T12:24:41.000+0200},
   description = {},
   interhash   = {d543ce5845481acc61e8978731a5be2e}, 
   intrahash   = {d543ce5845481acc61e8978731a5be2e}
}