arXivMuyu Pan, Shu Zhao, Nan Zhang, Philip Shin, Varun Parekh, Vijaykrishnan Narayanan, Rui ZhangMon, May 25, 2026, 6:42 AM PDT
score 16.4
Training AI models to refuse uncertain questions instead of guessing
Original: TIAR: Trajectory-Informed Advantage Reweighting for LLM Abstention Learning
Source: arxiv.org ↗
Writing ELI5 summary…