“…Observing the relationships between products and features has already been made in the context of variability in space. This analysis is, for instance, part of the process of feature model synthesis [3,14,19]. It has been done using specialized algorithms highlighting particular relationships, such as binary implications, mutex, and groups [19], or using Formal Concept Analysis (FCA) as a global approach to produce a canonical structure including all the logical relationships [5,12,18].…”