text_combined: gordon v cormack zixgfqeiuwaterlooca got announcement yesterday im interested convert vector space im sure value add stacking bunch standard ml techniques wan na put joint entry wan na compete probably cant attend conference maybe attend thesis defence eth around time g ps results almost ready running adaptive comparisons canola1uwaterloocagvcormacbratko look resultsmrx resultsfull youll find 8run graphs learning curves called roca graphs andrej bratko wrote aware original message nhipljlbixengrorstedu mailtonhipljlbixengrorstedu behalf steffen bickel sent friday march 03 2006 445 pm undisclosedrecipients subject uai ecmlpkdd discovery challenge 2006 call participation call participation ecmlpkdd discovery challenge 2006 topics personalized spam filtering generalization across related learning tasks httpwwwecmlpkdd2006orgchallengehtml discovery challenge 2006 held conjunction ecmlpkdd conference years competition personalized spam filtering generalization across related learning tasks people spend increasing amount time reading messages deciding whether spam nonspam users spend additional time label received spam messages training local spam filters running desktop machines email service providers want relieve users burden installing serverbased spam filters training filters rely labeled messages individual users publicly available sources newsgroup messages emails received spam traps spam traps email addresses published visually invisible humans get collected web crawlers spammers combined source training data different distributions emails received individual users learning spam filters individual users type data one needs cope discrepancy distributions governing training test data one needs balance generalization adaptation generalizationadaptation rely large amounts unlabeled emails users inboxes accessible serverbased spam filters utilizing unlabeled data spam filter adapted properties specific users inboxes little unlabeled data user available generalization multiple users advised provide labeled training data collected publicly available sources unlabeled inboxes several users serve test data inboxes differ distribution emails goal construct spam filter single user correctly classifies emails spam nonspam clever way utilizing available sets unlabeled emails different users required discovery challenge workshop ecmlpkdd 2006 berlin discuss results different approaches issues related problem setting important dates march 1 2006 tasks datasets available online june 7 2006 submissions spam filtering results results due june 12 2006 notification winners june 26 2006 workshop paper submission deadline september 1822 2006 ecmlpkdd conference discovery challenge workshop info challenge visit httpwwwecmlpkdd2006orgchallengehtml looking forward interesting competition encourage participation steffen bickel discovery challenge chair _______________________________________________ uai mailing list faqengrorstedu httpssecureengroregonstateedumailmanlistinfouai wed 06 aug 2008 200757 0500 fw uai ecmlpkdd discovery challenge 2006 call participation