{"type": "article", "title": "Long-term User Engagement Optimization through Model-agnostic Downstream Rewards Learning", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/long-term-user-engagement-optimization-through-model-agnostic-downstream-rewards", "original_source": "https://arxiv.org/abs/2607.14192", "published": "2026-07-17T04:00:00+00:00", "accessed": "2026-07-17", "id": "long-term-user-engagement-optimization-through-model-agnostic-downstream-rewards"}