1. Requirements engineering position
Traditional approaches to Information Systems (IS) engineering are based on the assumption that an IS represents a part of the world, and therefore focus on modeling the information representative of the "Universe of Discourse" that the system must make accessible. This is achieved through conceptual modeling, which consists in abstracting the conceptual specification of the IS, the conceptual schema from the analysis of the facts and events relevant to the observed reality, and about which the community of IS users needs to be informed. This specification focuses on "what the IS should do", i.e. its functionality. It serves as a prescription for system...
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Requirements engineering position
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The Ultimate Scientific and Technical Reference