Fast Diversification for Search & Retrieval Pyversity is a fast, lightweight library for diversifying retrieval results. Retrieval systems often return highly similar items. Pyversity efficiently re-ranks these results to encourage diversity, surfacing items that remain relevant but less redundant. It implements several popular diversification strategies such as MMR, MSD, DPP, and Cover with a clear, unified API. More information about the supported strategies can be found in the supported strat...