Welcome to SimilariPy’s documentation!

SimilariPy is a Python package that provides high-performance KNN similarity and normalization functions, optimized for sparse matrices.

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🔥 Why SimilariPy?

• Fast: powered by Cython and OpenMP for fast parallel execution
• Sparse matrix focus: optimized for Scipy CSR/COO formats
• Wide similarity coverage: Dot Product, Cosine, Tversky, P3α, RP3β, and more
• Flexible normalization: includes L1, L2, TF-IDF, BM25, BM25+

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📚 Guide

• Installation instructions
• Quickstart guide
• Quick reference to similarity functions
• Quick reference to normalization functions
• Full API documentation

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