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DMRL: Document-Mediated Reinforcement Learning for Skill Optimization in Advertising Recommendation

arXiv · AI, language, vision and robotics · article · Sep 2, 2026 · UTC

Advertising recommendation requires continuously tuning complex system parameters while balancing commercial returns and user experience. Recent work has introduced large language models (LLMs) with skill documents to assist this labor-intensive process, but skill optimization remains largely prompt-driven, lacking a principled mechanism to attribute rewards to specific document edits. To address this limitation, we propose Document-Mediated Reinforcement Learning (DMRL), a skill self-evolution framework that models skill document optimization as a sequence of structured editing actions. In DM

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