本文系统介绍了k近邻(k-Nearest Neighbors, kNN)搜索算法，从精确方法到近似最近邻搜索(Approximate Nearest Neighbor Search, ANNS)技术，深入剖析了维度灾难(Curse of Dimensionality)的数学本质，并详解了局部敏感哈希(Locality Sensitive Hashi…