“…Subsequently, all schemes are often required to aggregate knowledge and information about the performance of a given set of criteria. Curt, Talon and Mauris (2011) used such a scheme to represent and aggregate measurements, sensory evaluations and expert knowledge on dam conditions. The uncertainty embedded in the indicators is generally handled with fuzzy logic theory and expert-based rules (Janssen, Krol, Schielen, Hoekstra, & de Kok, 2010).…”