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Chapter 6
Model Forms
Models can take on many forms. e form chosen to represent the subject should
reflect the underlying data structure, use a consistent style, and account for presen-
tation of the end result. Over time, modelers in specific domains have developed
standard model forms to facilitate model creation and to ensure a uniform notation
and semantics. For example, hydraulic engineering uses a very different set of sym-
bology and semantics (how the symbols are arranged and connected) compared to
charts for ocean navigation. Each of these model forms, however, share similarities
in the techniques used for model creation. Information is ...