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JaroWinkler

Jaro with a thumb on the scale for pairs that already start the same way — the usual default for matching surnames.

Jaro, raised when the two already agree on their first few characters — up to four, at weight 0.1, and only once Jaro is past 0.7. Those three constants are Winkler's own. The bonus assumes a leading agreement is strong evidence, which holds for surnames and not for arbitrary text.

Members

Member	What it does
JaroWinkler.Similarity	Computes Jaro.Similarity and then raises it in proportion to how many of the first four
JaroWinkler.Distance	1 - Similarity, for code that wants a distance rather than a score.