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<a accesskey="3" href="page.php?w=ontology_%28information_science%29&amp;p=2">3.Next</a>
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<p>In <a href="page.php?w=information_science">information science</a>, an <b>ontology</b> encompasses a representation, formal naming, and definitions of the categories, properties, and relations between the concepts, data, or entities that pertain to one, many, or all <a href="page.php?w=Domain_of_discourse">domains of discourse</a>. More simply, an ontology is a way of showing the properties of a subject area and how they are related, by defining a set of terms and relational expressions that represent the entities in that subject area. The field</p><p>
<a accesskey="3" href="page.php?w=ontology_%28information_science%29&amp;p=2">3.Next</a>
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