🧑🔬 Long Li — papers of 2026 — 1 paper, the most cited first1 paper · all years of Long LiSPPO: Sequence-Level PPO for Long-Horizon Reasoning TasksAnnual Meeting of the Association for Computational Linguistics (ACL)Tianyi Wang, Yixia Li, Long Li, et al.2026 · 8 citationsThis page in Markdown → https://md.research.elamur.ai/free/en/authors/long-li/year/2026/