This article is about the measure. For other uses, see Jaro. In computer science and statistics, the Jaro–Winkler similarity is a string metric measuring an edit distance between two sequences. It is a variant of the Jaro distance metric[1] metric (1989, Matthew A. Jaro) proposed in 1990 by William E. Winkler.[2] The Jaro–Winkler distance uses a prefix scale which gives more favourable ratings to