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Questions about sequences of symbols, sets thereof and their properties as well as uses.

8 votes
1 answer
6k views

Find all pairs of strings in a set with Levenshtein distance < d

I have a set of $n = $ 100 million strings of length $l = 20$, and for each string in the set, I would like to find all the other strings in the set with Levenshtein distance $\le d = 4$ from that string … The Levenshtein distance (also called the edit distance) between two strings is the number of insertions, deletions and/or replacements required to convert one string into the another. …
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