1. Position of requirements engineering

Traditional approaches to information systems (IS) engineering are based on the assumption that an IS represents part of the world and therefore focus on modeling information representative of the "universe of discourse" that the system must make accessible. This is achieved through conceptual modeling, which consists of abstracting the conceptual specification of the IS, the conceptual schema , from the analysis of relevant facts and events in the observed reality about which the IS user community needs to be informed. This specification...