When Cosine Similarity Fails to Reflect Linearly Accessible Structure in Dialogue Models

arXiv:2609.22522 · cs.CL · Submitted 2026-09-18 · Read on arXiv

cs.CL

Submitted: 2026-09-18

Updated: 2026-09-18

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Cosine Similarity — 4× in this paper · explained in 3 episodes
• AUC — 2× in this paper · explained in 2 episodes
• Linear probe — 1× in this paper · explained in 2 episodes
• Transformer — 1× in this paper · explained in 2 episodes

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