Urszula Chajewska Lise Getoor Joseph Norman Yuval Shahar Utility Elicitation as a Classification Problem. 79-88 1998 conf/uai/1998 UAI http://uai.sis.pitt.edu/displayArticleDetails.jsp?mmnu=1&smnu=2&article_id=235&proceeding_id=14 db/conf/uai/uai1998.html#ChajewskaGNS98