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

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Yet another form of indexing is one based on a stemmed word. An argument for a stemmed word must be provided. The argument is reduced down to its Latin or Greek stem, and all other like stems are provided as a result of the search. The index is created based on the stem of the word. Note that the stem of the word may or may not be a word itself. For example, the stem of the words “moving”, “moved”, and “mover” is “mov”. And of course “mov” is not a word, but it is a stem of a class of words. Figure 7.12 shows a stemmed query.

Figure 7.12 Stemmed words index

In the search shown in Figure 7.12, it is seen that the argument “move” ...

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