TY - RPRT ID - jf:OEFAI-TR-93-09 T1 - The Role of Qualitative Knowledge in Machine Learning A1 - Fürnkranz, Johannes Y1 - 1993 IS - OEFAI-TR-93-09 T2 - Austrian Research Institute for Artificial Intelligence AD - Wien, Austria UR - http://www.ofai.at/cgi-bin/tr-online?number 93-09 ER -