@electronic{140kit.com,
   title       = {140kit : The Free, Open Source Twitter Analytics Platform}, 
   url         = {http://140kit.com/},
   biburl      = {https://puma.uni-kassel.de/url/a6d103a457aaa797ece57362215d192a/hotho},
   keywords    = {collection dataset free open toread twitter},
   added-at    = {2011-01-03T13:01:14.000+0100},
   description = {},
   interhash   = {a6d103a457aaa797ece57362215d192a}, 
   intrahash   = {a6d103a457aaa797ece57362215d192a}
}

@electronic{www.doaj.org,
   title       = {Directory of open access journals}, 
   url         = {http://www.doaj.org/},
   biburl      = {https://puma.uni-kassel.de/url/acdcbe9350f5061732d0353a8deea172/hotho},
   keywords    = {access free open journal library research},
   added-at    = {2007-01-09T16:41:09.000+0100},
   description = {},
   interhash   = {acdcbe9350f5061732d0353a8deea172}, 
   intrahash   = {acdcbe9350f5061732d0353a8deea172}
}

@electronic{getluky.net,
   title       = {getluky.net » Gordon Luk’s Freetag, an Open Source Tagging / Folksonomy module for PHP/MySQL applications}, 
   url         = {http://getluky.net/freetag/},
   biburl      = {https://puma.uni-kassel.de/url/a1e81ad492659df07deaf41e3e343f93/hotho},
   keywords    = {free open folksonomy bookmark tools tagging source implementation},
   added-at    = {2006-02-20T09:45:28.000+0100},
   description = {},
   interhash   = {a1e81ad492659df07deaf41e3e343f93}, 
   intrahash   = {a1e81ad492659df07deaf41e3e343f93}
}