@electronic{sunsite.informatik.rwth-aachen.de,
   title       = {ECML PKDD Discovery Challenge 2009.}, 
   url         = {http://sunsite.informatik.rwth-aachen.de/Publications/CEUR-WS/Vol-497/},
   biburl      = {https://puma.uni-kassel.de/url/eff6bb8e4839199c493082416bcc5232/stephandoerfel},
   keywords    = {2009 BibSonomy Challenge folksonomy kde proceedings recommender},
   added-at    = {2010-11-10T09:44:11.000+0100},
   description = {},
   interhash   = {eff6bb8e4839199c493082416bcc5232}, 
   intrahash   = {eff6bb8e4839199c493082416bcc5232}
}