Phil Henshaw writes:
A model invariably represents only a person's belief's about the world.
Consider surveys of undecided voters where during a debate the surveyed
turn their individual dials to indicate approval or disapproval.
The physical subject being represented is both fabulously more complex than
any belief system can be,
A library is fabulously more complex than most any individual's belief
system as well.
and full of things that are differently organized
and requires it's own language of description.
Military simulations, for example, are often large federated systems,
where each part is designed by a different domain expert. Some parts of
the models could even be delegated to human decision makers, as in the
voting example.
Complexity, subjectivity, and quantification are different issues.
Marcus
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