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Don't use cosine similarity carelessly
Cosine similarity - the duct tape of AI. Convenient but often misused. Let's find out how to use it better.
But with vectors, we can chart entities and relationships between them — both to provide as a structured input to a machine learning models, and on its own, to find similar items. Sure, it sticks everything together — images, text, audio, code — but like real duct tape, it's a quick fix that often masks deeper problems rather than solving them. Photo from Python Summit 2024 Warsaw - a laptop of Piotr Migdał showing "Don't use cosine similarity" talk front slide.
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