TCA, a token-level credit assignment reinforcement learning framework, improves R@1 and MRR@10 over sequence-level RL baselines in generative document retrieval on MS MARCO and Natural Questions.
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Token-Level Credit Assignment Optimization for Generative Document Retrieval
TCA, a token-level credit assignment reinforcement learning framework, improves R@1 and MRR@10 over sequence-level RL baselines in generative document retrieval on MS MARCO and Natural Questions.