Steven Bogaerts David B. Leake Formal and Experimental Foundations of a New Rank Quality Measure. 74-88 2008 ECCBR http://dx.doi.org/10.1007/978-3-540-85502-6_5 conf/ewcbr/2008 db/conf/ewcbr/eccbr2008.html#BogaertsL08