Show HN: Pyversity – Fast Result Diversification for Retrieval and RAG
9 hours ago
- #retrieval
- #diversification
- #python-library
- Pyversity is a lightweight library for diversifying retrieval results to reduce redundancy.
- It implements strategies like MMR, MSD, DPP, and Cover with a unified API and only depends on NumPy.
- Install via pip: `pip install pyversity`.
- Usage involves defining embeddings and scores, then applying diversification with parameters like strategy and diversity.
- Strategies vary in approach and complexity, with MMR being a good default for avoiding near-duplicates.
- Diversification balances relevance and variety, improving user experience in domains like e-commerce, news search, and academic retrieval.
- The package is based on research papers detailing each strategy's methodology and benefits.