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cs.CL2026
Language Model Maps for Prompt-Response Distributions via Log-Likelihood Vectors
Momose Oyama, Yusuke Takase, Hidetoshi Shimodaira
We propose a method that represents language models by log-likelihood vectors over prompt-response pairs and constructs model maps for comparing their conditional distributions. In…
cs.CL2026
Measuring Affinity between Attention-Head Weight Subspaces via the Projection Kernel
Hiroaki Yamagiwa, Yusuke Takase, Hidetoshi Shimodaira
Understanding relationships between attention heads is essential for interpreting the internal structure of Transformers, yet existing metrics do not capture this structure well. W…