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

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There are other forms of textual ETL information in Ablatz. That form is the visualized form of text. The visualization of text occurs in the form of SOM’s or “self organizing maps”. The self organizing maps are also sometimes called “heat maps” because of their similarity to a heat map. The self organizing maps are good for looking at whole bodies of text and their correlative factors.

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