“…Label Ranking (LR) is an increasingly popular topic in the machine learning literature (Ribeiro, Duivesteijn, Soares, & Knobbe, 2012;de Sá, Soares, Jorge, Azevedo, & da Costa, 2011;Cheng & Hüllermeier, 2011;Cheng, Hüllermeier, Waegeman, & Welker, 2012;Vembu & Gärtner, 2010). LR studies a problem of learning a mapping from instances to rankings over a finite number of predefined labels.…”