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Cheshire3 Objects: Normalizer
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Description
Normalizer objects are chained after Extractors in order to transform the data from the record or query.
A Normalizer might standardise case, perform stemming or transform a date into ISO8601 format.
Normalizers are also needed to transform the terms in a request into the same format as the term in the Index.
For example a date index might be searched using a free text date and that would need to be parsed into the normalised form in order to compare it with the stored data.