arXivXiaoyuan Li, Yubo Ma, Chengpeng Li, Fengbin Zhu, Yiyao Yu, Keqin Bao, Wenjie Wang, Fuli Feng, Dayiheng LiuThu, May 21, 2026, 5:21 AM PDT
score 14.6
Simple metric selects best training data for reasoning AI
Original: Unified Data Selection for LLM Reasoning
Source: arxiv.org ↗
Writing ELI5 summary…