Iftach Nachman Gal Elidan Nir Friedman "Ideal Parent" Structure Learning for Continuous Variable Networks. 400-409 2004 conf/uai/2004 UAI http://uai.sis.pitt.edu/displayArticleDetails.jsp?mmnu=1&smnu=2&article_id=1135&proceeding_id=20 db/conf/uai/uai2004.html#NachmanEF04