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

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Another type of index is the alternate spelling index. The alternate spelling index is one in which an argument is supplied for a search, but the search results include all alternate spellings of the argument. The raw text is read and upon encountering any of the alternate spellings, the index is created for all spellings.

Figure 7.11 shows an example of a search for alternate spellings.

Figure 7.11 Alternate spelling index

In the example shown in Figure 7.11, the argument being sought is “Billy the Kid”. The alternate spellings of “William Bonney”, “Henry McCarty”, and “Henry Antrim” are all returned as a result of the ...

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