nmslib (https://github.com/nmslib/nmslib https://github.com/nmslib/nmslib) supports sparse vectors for some of its spaces. It has fewer indexing methods than fa

nmslib (https://github.com/nmslib/nmslib https://github.com/nmslib/nmslib) supports sparse vectors for some of its spaces. It has fewer indexing methods than faiss, though. https://github.com/nmslib/nmslib/blob/master/manual/spaces.md https://github.com/nmslib/nmslib/blob/master/manual/spaces.m...