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<p>functions to system components, as long as it represents a complete set.  This frame of reference can then be used to communicate ideas clearly among members of the same community.</p>

<p>Reference models are often illustrated as a set of concepts with some indication of the relationships between the concepts.</p>

<p><big> Overview </big></p>
<p>According to OASIS (Organization for the Advancement of Structured Information Standards) a reference model is "an abstract framework for understanding significant relationships among the entities of some environment,</p><p>
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