Institution

University of Zurich

Switzerland's largest university; its computational linguistics group is a long-standing center for machine translation and NLP research.

Reinforcement Learning · University of Zurich

RL Elicits Contextual Learning of Unseen Language Translation

RL with a chrF reward teaches an LLM to translate from in-context linguistic packets rather than memorize languages. On five unseen languages it averages 0.3335 chrF vs 0.2300 for SFT, which drops below the base model.