🧑🔬 Chengjin Xu — papers of 2026 — 3 papers, the most cited first3 papers · all years of Chengjin XuSelect2Reason: Efficient Instruction-Tuning Data Selection for Long-CoT ReasoningFindings of the Association for Computational LinguisticsCehao Yang, Xueyuan Lin, Xiaojun Wu, et al.2026 · 4 citationsDataArc-SynData-Toolkit: A Unified Closed-Loop Framework for Multi-Path, Multimodal, and Multilingual Data SynthesisAnnual Meeting of the Association for Computational Linguistics (ACL)Zhichao Shi, Cehao Yang, Hao Zhou, et al.2026JudgeAgent: Beyond Static Benchmarks for Knowledge-Driven and Dynamic LLM EvaluationFindings of the Association for Computational LinguisticsZhichao Shi, Xuhui Jiang, Chengjin Xu, et al.2026This page in Markdown → https://md.research.elamur.ai/free/en/authors/chengjin-xu/year/2026/