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

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Similar to synonym replacement or concatenation is elevation to a new level of abstraction. Abstraction occurs when a word is tagged as part of a higher level of abstraction. Figure 4.11 shows that manifestations of the abstract concept of ‘perform’ can be recognized and that the abstract concept can be added to the text when an appropriate word or phrase is found.

Figure 4.11 Abstract concept added to the text

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