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Building the Unstructured Data Warehouse: Architecture, Analysis, and Design by Krish Krishnan, W. H. Inmon

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Another technique used in processing with taxonomies is to specify what can be called a “preferred” taxonomy. Suppose there are multiple taxonomies specified as classifications that can be used in the understanding of unstructured text. Now one is designated as the “preferred” taxonomy – to be used before any other taxonomy is used in the resolution of text. Only after a matching effort has been made against the preferred taxonomy is a matching effort attempted against the other taxonomies. In such a manner, the analyst/designer can greatly influence the way that classifications of raw text are made. The preferred taxonomy is useful to influence the most appropriate interpretation of the taxonomy. Stated differently, there ...

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