Jaro-winkler similarity for empty strings (#nlp)
Jaro-Winkler handling empty strings · Issue #28 · tdebatty/java-string-similarity - TL;DR officially ‘undefined’, what has to be returned in implementations depends on why you need it. These are nice edge cases I have to learn to watch for.
String similarity algo explained
String simularity has a nice table with similarity algos and how they perform with different changes.