StalePO: Anchored Token-Level Preference Optimization using Legacy Post-Edits in Machine Translation
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arXiv:2609.16340v1 Announce Type: new Abstract: Machine translation systems are periodically upgraded to stronger models, but the available preference signal is human post-edits of an older system's outputs, which the newer model may already surpass. Moreover, collecting fresh post-edits for every…
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- 2026-09-16 04:00 · arXiv cs.CL
StalePO: Anchored Token-Level Preference Optimization using Legacy Post-Edits in Machine Translation
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