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cs.CL2025
FocalPO: Enhancing Preference Optimizing by Focusing on Correct Preference Rankings
Tong Liu, Xiao Yu, Wenxuan Zhou +2
Efficient preference optimization algorithms such as Direct Preference Optimization (DPO) have become a popular approach in aligning large language models (LLMs) with human prefere…
cs.CL2023
Temperature-scaling surprisal estimates improve fit to human reading times -- but does it do so for the "right reasons"?
Tong Liu, Iza Škrjanec, Vera Demberg
A wide body of evidence shows that human language processing difficulty is predicted by the information-theoretic measure surprisal, a word's negative log probability in context. H…