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Withdrawn arXiv paper defends cosine similarity on normalized embeddings

This paper, originally submitted to arXiv, has been withdrawn by its author. It aimed to defend cosine similarity in learned embeddings, arguing that a previously identified ambiguity related to a "gauge" matrix is only an issue when embeddings are not normalized. The authors proposed that by constraining embeddings to the unit sphere, either during or after training, the ambiguity disappears. They demonstrated that on normalized embeddings, cosine similarity is monotonically equivalent to half the squared Euclidean distance, suggesting that the perceived problem lies in a failure to normalize rather than cosine similarity itself. AI

IMPACT This paper's withdrawal means its technical arguments regarding cosine similarity and embedding normalization will not be formally published or widely disseminated within the research community.

RANK_REASON The cluster contains a withdrawn academic paper discussing a technical aspect of machine learning embeddings. [lever_c_demoted from research: ic=1 ai=1.0]

Read on arXiv cs.LG →

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COVERAGE [1]

  1. arXiv cs.LG TIER_1 English(EN) · Taha Bouhsine ·

    In Defense of Cosine Similarity: Normalization Eliminates the Gauge Freedom

    arXiv:2602.19393v2 Announce Type: replace Abstract: Steck, Ekanadham, and Kallus [arXiv:2403.05440] demonstrate that cosine similarity of learned embeddings from matrix factorization models can be rendered arbitrary by a diagonal ``gauge'' matrix $D$. Their result is correct and …