Aug 25, 2018 · Traditional nearest neighbor search returns the data point closest to a query point. We consider that the data set does not fit in memory, and needs to be indexed by efficient access methods in order to minimize the number of I/Os in answering a query; Neighbor Search. In this module we implement our neighbor Search. Nov 01, 2019 · Annoy (Approximate Nearest Neighbors Oh Yeah) is a C++ library with Python bindings to search for points in space that are close to a given query point. It also creates large read-only file-based data structures that are mmapped into memory so that many processes may share the same data.