Curriculum Vitae

Education

The Hong Kong University of Science and Technology

PhD in Computer Science, 2026–2030 (expected).

Advisor: Prof. Yangqiu Song

Cornell University

Master’s degree in Computer Science, August 2025–May 2026. GPA: 3.91/4.30.

The Ohio State University

BS in Computer Science and Engineering, Minor in Mathematics, August 2021–May 2025. GPA: 3.96/4.00.

Experience

Research Assistant — The Ohio State University

January–June 2025 · Supervisor: Prof. Jingbo Meng

• Studied user–AI interaction by analyzing conversations with large language models.
• Built a research platform with a React and MUI frontend, NestJS APIs, and MySQL storage. Developed bot roles for the experiments and helped deploy the platform on AWS EC2 with OSU’s OTDI team.

Teaching Assistant — The Ohio State University

September 2022–June 2025 · Profs. Alfred Rossi and KT Vandergriff

• Supported Discrete Mathematics and Algorithms courses by grading assignments, quizzes, and projects and tutoring students.

Research

Reinforcement learning, GraphRAG, and tool discovery for large language model agents.

Publications

• Hong Ting Tsang, Jiaxin Bai, Haoyu Huang, Qiao Xiao, Tianshi Zheng, Baixuan Xu, Shujie Liu, and Yangqiu Song. 2026. AutoGraph-R1: End-to-End Reinforcement Learning for Knowledge Graph Construction. Proceedings of ACL 2026, 23351–23374. Paper
• Qiao Xiao, Haochen Shi, Yisen Gao, Wenbin Hu, Huihao Jing, Tianshi Zheng, Baixuan Xu, Ziheng Zhang, Weiqi Wang, Haoran Li, Jiaxin Bai, and Yangqiu Song. 2026. SING: Synthetic Intention Graph for Scalable Active Tool Discovery in LLM Agents. arXiv:2606.16591. Paper
• Qiao Xiao, Hong Ting Tsang, and Jiaxin Bai. 2025. TERAG: Token-Efficient Graph-Based Retrieval-Augmented Generation. arXiv:2509.18667. Paper

Honors

• Hong Kong PhD Fellowship (HKPF), 2026.
• Dean’s List, The Ohio State University, every spring and autumn semester from Spring 2022 through Spring 2025.