[HN Gopher] Cosine Similarity Isn't the Silver Bullet We Thought...
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       Cosine Similarity Isn't the Silver Bullet We Thought It Was
        
       Author : skelts
       Score  : 8 points
       Date   : 2025-01-13 16:12 UTC (3 days ago)
        
 (HTM) web link (www.shaped.ai)
 (TXT) w3m dump (www.shaped.ai)
        
       | skelts wrote:
       | Netflix and Cornell University researchers have exposed
       | significant flaws in cosine similarity. Their study reveals that
       | regularization in linear matrix factorization models introduces
       | arbitrary scaling, leading to unreliable or meaningless cosine
       | similarity results. These issues stem from the flexibility of
       | embedding rescaling, affecting downstream tasks like
       | recommendation systems.
        
         | throwaway314155 wrote:
         | > Netflix and Cornell University researchers
         | 
         | Strange times.
        
       | emschwartz wrote:
       | Very interesting. Thanks for sharing!
        
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       (page generated 2025-01-16 23:00 UTC)