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

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For years, the world of business intelligence has centered on doing analytical processing of structured data. Structured data is typically transaction based. There are many very useful and interesting things that can result from analysis of structured data. But imagine an entirely new form of analysis where it is possible to include both unstructured data and structured data in the analysis. Whole new questions and whole new perspectives of analysis are possible where the two worlds can be linked together.

The first step in linking the worlds together is taking unstructured data and reducing it into a form of data that is structured. This book has described how that is done with textual ETL. Raw text goes ...

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