IS3500 | Information System Design & Development
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Slide Deck | Lecture Podcast

Visual Requirements Modeling

A model is an abstract representation of reality and by its very definition is only a subset of reality. It includes what is necessary for some analysis effort. Think about model airplanes. Some model airplanes look very much like a small version of a real airplane, but do not fly well at all. Other model airplanes (e.g., a paper airplane) do not look very much like airplanes at all, but fly very well. These two kinds of models represent different features of the airplane; the first represents its outward appearance, while the second represents its aerodynamic properties (in part). Thus what type of model is appropriate to use depends upon the intended purpose. Mathematical models represent a system, and are used to make predictions about that system.

Video Tutorials

Powerful Tools for Visual Modeling in Enterprise Architect.

Standards

IEEE Standard 830-1998. Recommended Practice for Software Requirement Specifications.

Additional Readings

Visual Requirements Modeling Forum
Visual Models for Requirements Gathering: Blogs by Joy Beatty
Sparx Systems Webinar Series on Requirements Modeling with Enterprise Architect (Videos)
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