{"type": "article", "title": "S2T-RLHF: Hierarchical Credit Assignment for Stable Preference-Based RLHF", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/s2t-rlhf-hierarchical-credit-assignment-for-stable-preference-based-rlhf", "original_source": "https://arxiv.org/abs/2607.18258", "published": "2026-07-22T04:00:00+00:00", "accessed": "2026-07-22", "id": "s2t-rlhf-hierarchical-credit-assignment-for-stable-preference-based-rlhf"}