petr berka erdhyvsecz ecmlpkdd 2005 discovery challenge call contributions discovery challenge held workshop 16th ecml 9th pkdd conference october 37 2005 porto portugal discovery challenge constitutes collection data problems common ground better comparisons discussions applicability knowledge discovery databases kdd methods realworld problems respect kdd application viewpoints main goals discovery challenge stimulate open view knowledge discovery stimulate collaborative approach kdd research unification different forms knowledge discovery integrate kdd emphasis business problems solutions problems three data sets medical data chronic hepatitis gene expression data sage data produced human cells web server log data 3 millions records record single page view available prospective participants download analysis deadline submissions july 25 info challenge visit httplispvseczchallengecurrent info ecmlpkdd2005 visit httpecmlpkdd05liaccuppt petr berka bruno cremilleux discovery challenge cochairs wed 06 aug 2008 140349 0200 uai mlnet 2cfp discovery challenge workshop ecmlpkdd 2005