pavel smrz yvbqfitvutbrcz appologies receive multiple copies announcement 1st call papers workshop imperfect knowledge modeling ekaw 2006 podebrady near prague czech republic october 6th 2006 long tradition imperfect knowledge processing field knowledge engineering various approaches methods proposed vague imprecise uncertain incomplete ambiguous inconsistent knowledge representation last decades situation starkly contrasts little attention paid imperfect knowledge current technological solutions objective workshop bring together researchers practitioners different communities discuss current stateoftheart imperfect knowledge modeling identify key requirements future knowledge engineering knowledge management areas interest include limited bayesian probabilistic methods imperfect knowledge reasoning possibility utility theories fuzzy extensions knowledge representation languages default reasoning nonstandard logics imperfect knowledge knowledge incompleteness inconsistency imperfection processing semantic web ontologies searching web services incomplete ambiguous information models implementations uncertainty reasoning tools future uncertainty reasoning knowledge engineering workshop held postconference event ekaw 2006 15th international conference knowledge engineering knowledge management httpekawvsecz podebrady near prague czech republic october 6th 2006 feature keynote speech oral presentations poster session sufficient time discussions issues raised authors invited submit full paper exceeding 8 pages formatted springer lncs style accepted papers published special workshop proceedings published local publisher isbn number quoted peer reviewed publication papers presented either orally posters decision presentation format based recommendation reviewers papers submitted electronically pdf format pavel smrz please use also email address queries regarding workshop important dates deadline submission june 15th 2006 notification acceptance august 7th 2006 cameraready copy due august 21st 2006 workshop october 6th 2006 program committee paulo c g costa george mason university usa pascal hitzler university karlsruhe germany thomas lukasiewicz universita di roma la sapienza italy technische universität wien austria livia predoiu university innsbruck austria pavel smrz brno university technology czech republic giorgos stamou national technical university athens greece umberto straccia isticnr pisa italy peter vojtas charles university prague czech republic thu 07 aug 2008 064019 0200 uai workshop imperfect knowledge modelings 1st cfp