• Master Student at Nanjing University
• Websoft Research Group
• State Key Laboratory for Novel Software Technology at Nanjing University
• Department of Computer Science and Technology, Nanjing University

Contact:

• Office: 413, Building of Computer Science and Technology, Xianlin Campus of Nanjing University
• Email: ywliu AT smail DOT nju DOT edu DOT cn

About Me

I’m a graduate student from Nanjing University, studying for a M.Sc. degree in the Websoft Research Group. I am supervised by Gong Cheng (程龚). My research interests include natural language processing, reasoning, and information retrieval.

Edu. & Work Experience

• Ant Group (Dec. 2024 - now), Shanghai
  • Algorithm Engineer Intern
  • Working on efficient evaluation for RAG systems
• Qiyuan Lab (Jun. 2025 - Sep. 2025), Beijing
  • Algorithm Engineer Intern
  • Contributed to a large-scale multimodal model evaluation system, including benchmarking multiple open-source MLLMs and robustness evaluation (attacks/perturbations/defenses)
• Tencent IEG, Timi (Aug. 2024 - Oct. 2024), Shenzhen
  • Interning as SWE
  • Building a Voice Interaction System for Games
• Nanjing University, Websoft (Sep. 2022 - now), Nanjing
  • Studying for a M.Sc. Degree in Computer Science and Technology from 2025
  • Advisor: Gong Cheng
• Nanjing University (Sep. 2021 - Jul. 2025), Nanjing
  • Studying for a B.Sc. Degree in Computer Science and Technology

Publications

• LogiNumSynth: Synthesizing Joint Logical–Numerical Reasoning Problems for Language Models
  Yiwei Liu, Yucheng Li, Xiao Li, Gong Cheng
  Paper / Code
  A fully controllable synthesizer for joint logical-numerical reasoning with process-level evaluation.

• FormulaReasoning: A Dataset for Formula-Based Numerical Reasoning
  Xiao Li, Bolin Zhu, Kaiwen Shi, Sichen Liu, Yin Zhu, Yiwei Liu, Gong Cheng
  Paper / Code
  A dataset for formula-based numerical reasoning.

Curriculum Vitae

You can find my CV here.

Awards & Honors

• National Scholarship for Graduate Students of China, 2024
• People’s Scholarship First Prize, 2023
• Yangtze River Alumni Scholarship, 2022
• Outstanding Student of Freshman College, Nanjing University, 2022

Friend Link

• Ningninger’s Blog: a graduate student at Nanjing University, passionate about Programming Language (PL).
• Yucheng Li’s Homepage: a graduate student at Nanjing University, focusing on KG and RAG.