SWE 3633 Lecture Notes - Lecture 17: Brainstorming

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Show that particular objects participate in a relation between sets of objects. Shown using a link line: solid line (no arrowheads), underlined association name. Show the state of one or more objects at a moment during execution. Dynamic models as opposed to class diagrams, which are static models. A conceptual model is a static model of the important entities in a problem, their responsibilities or attributes, the important relationships among them, and perhaps their behaviors. Conceptual models are about real-world entities in the problem domain and not about software. In product design: understanding the problem domain, setting data requirements, validating requirements. In engineering design: understanding a product design, providing a basis for engineering design modeling. Study the product design (srs, use case models, other models) Look for nouns and noun phrases for: physical entities, individuals, roles, groups, organizations, people, devices, or systems that interact with the product (actors). Remove noun phrases designating properties (they may be attributes).

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