“…To this end, statistical machine techniques, such as feature selection [36], principal component analysis (PCA) [37], [38], and maximum variance unfolding (MVU) [39] can be employed for objective reduction. In practice, users are often interested in only a part of the Pareto optimal solutions [40]. Therefore, if user preferences are available, preference-based approaches can be designed [41], [34], [42], [43].…”