Elmar J. Sinz2023-05-142023-05-142021https://dl.gi.de/handle/20.500.12116/41527Conceptual modeling looks at the concept of a system. An important property of such a concept is that it can be viewed from at least two perspectives: The perspective of the users of the system and the perspective of the implementers. Based on these different perspectives, five sets of questions are identified that should be sufficiently answered before modeling is started. This is not a guarantee for the success of the modeling project, but it is necessary.enConceptual ModelingText/Journal Article10.18417/emisa.16.3