“…One may wonder therefore, whether other relations, like generalization (Borgida, Mylopoulos, & Wong, 1984;T. Kühne, 2009;Mylopoulos et al, 1980;Poo, Kiong, & Ashok, 2008) could be used to relate levels. On one hand, generalization provides a native solution (based on multiple inheritance) for multiple classification (where an object may have several types), while this problem is challenging for standard instantiation-based frameworks ( SMOF, 2013).…”