1. Java String SimilarityImplementation of various string similarity and distance algorithms: Levenshtein, Jaro-winkler, n-Gram, Q-Gram, Jaccard index, Longest Common Subsequence edit distance, cosine similarity ...
2. Php Language ProcessingA PHP library for language processing. Includes string distance function (Levenshtein, Jaro-Winkler,...), stemming, etc.
3. Java LshA Java implementation of Locality Sensitive Hashing (LSH)
4. java-graphsAlgorithms that build k-nearest neighbors graph (k-nn graph): Brute-force, NN-Descent,...