[null,null,["최종 업데이트: 2025-02-25(UTC)"],[[["Dot product considers both angle and magnitude of vectors, making vectors with larger magnitudes more similar despite the angle between them."],["Cosine similarity only considers the angle between vectors, disregarding their magnitudes."],["Switching from cosine to dot product for similarity calculation makes popular items (with larger vector magnitudes) more similar to all other items."],["Switching back from dot product to cosine similarity normalizes the effect of magnitude, making popular items less biased towards similarity with all other items."]]],[]]