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

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In many ways, taxonomies are the equivalent of data modeling for structured text. Stated differently, taxonomies are to unstructured text what data models are to structured data. Taxonomies represent an abstraction of unstructured text just like a data model represents an abstraction of structured data.

It may strike you that if there are many taxonomies, and if the taxonomies are built externally, then it probably does not make sense for an organization to model and build something that already exists. Indeed, there are rich sources of taxonomies that are already built and are available for supporting Textual ETL. There are some major advantages to acquiring a taxonomy that has already been built:

·         You don’t ...

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