LSH Spark 千万级用户/Item 相似度计算 cosine-lsh-join-spark: Approximate Nearest Neighbors in Spark
CosineLSHJoinSparkAsparklibraryforapproximatenearestneighbours(ANN).BackgroundInmanycomputationalproblemssuchasNLP,RecommendationSystemsandSearch,items(e.g.words)arerepresentedasvectorsinamultidimensi