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Jul 2026

Structure-aware Relative Policy Optimization for Ranking

Ranking is a fundamental component of modern information access systems. Reinforcement learning (RL) provides a flexible framework for directly optimizing coarse-grained feedback and system-level objectives defined over the complete ranking list. However, existing RL-based ranking methods typically treat each sampled p...

Yiteng Tu, Weihang Su, Zitao Su et al. · 0 citations

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