When a document uses elements to isolate and identify every possible unit of information, it is said that the document has a fine granularity. In the following example, the name of the author is divided into the maximum number of useful sub-components:
<name> <salutation>Dr.</salutation> <initial>J</initial> <last-name>Smith<last-name> </name>
When less than the optimum number of elements are used, the document is said to have a coarse granularity. The following example illustrates a person's name that could potentially be divided into smaller meaningful components (as shown above):
<name>Dr. J. Smith</name>
The finer the granularity, the larger the document. When created manually, such documents are also more expensive to produce. On the other hand, the document is 'richer'; it is potentially more amenable to analysis and processing.
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