24.2.3 Global Preference Model
The development of a global preference model provides a way to aggregate the
values of each criterion gc (where c = 1, . . . , k) in order to express the preferences
between the different alternatives of the set Items, depending on the selected decision problematics. In the MCDM literature, a number of methodologies have been
developed, which can be classified in different categories according to the form of
the global preference model that they use and the process of creating this model.
According to [30] and [64], the following categories of global preference modeling
approaches can be identified: