“…In the literature, one can find several definition of the concept of "transparency": "giving explanations of results" [9,10,15,20,26,28,33,36], "having a reasoning process comprehensible and interpretable by users" [1,11,12,24,27,34], "being able to trace-back all data used in the process" [2][3][4]16,40], but also "being able to take into account feedbacks of users" [7,40]. Individually, each of the above definitions highlights an aspect of the concept of "transparency" of classification systems, but do not capture all aspects of "transparent" classification systems in our context.…”