Zhiyu Cao @ SUDA-NLP

ICON

Biography¶

I am a second-year Ph.D. student in Soochow University, where I am a member of Soochow NLP Lab, majored in software engineering. I am advised by Prof. Qiaoming Zhu and Prof. Peifeng Li. Before that, I obtained the bachelor degree from China University of Petroleum (East China) , QinDao Institute Of Software, College Of Computer Science And Technology in 2022.

More about me¶

Github Zhihu Email

Research Interests¶

Natual Language Processing
Dialogue System
Large Language Model

Publications¶

Hint-Guided Diversified Policy Optimization for LLM Reasoning

Zhiyu Cao, Kaixin Wu, Mingjie Zhong, Peifeng Li, Xiaobo Li, Can Ye, Qiaoming Zhu
arXiv preprint 2026 | Paper

Discourse Coherence and Response-Guided Context Rewriting for Multi-Party Dialogue Generation

Zhiyu Cao, Peifeng Li, Qiaoming Zhu
The 2025 Conference on Empirical Methods in Natural Language Processing
ACL 2026 Main Conference | Paper

Multi-Faceted Self-Consistent Preference Alignment for Query Rewriting in Conversational Search

Zhiyu Cao, Peifeng Li, Qiaoming Zhu
The 2025 Conference on Empirical Methods in Natural Language Processing
ACL 2026 Findings | Paper

ICR: Iterative Clarification and Rewriting for Conversational Search

Zhiyu Cao, Peifeng Li, Qiaoming Zhu
The 2025 Conference on Empirical Methods in Natural Language Processing
EMNLP 2025 Main Conference | Paper

Two-stage Incomplete Utterance Rewriting on Editing Operation

Zhiyu Cao, Peifeng Li, Qiaoming Zhu, Yaxin Fan
Proceedings of the 31^st International Conference on Computational Linguistics
COLING 2025 | Paper

Incomplete Utterance Rewriting with Editing Operation Guidance and Utterance Augmentation

Zhiyu Cao, Peifeng Li, Yaxin Fan, Qiaoming Zhu
Proceedings of the 2024 Conference on Empirical Methods in Natural Language Processing
EMNLP 2024 Main Conference | Paper

Education¶

Soochow University
Ph.D. in software engineering
2024.9-2028.6 (Expected)

Soochow University
Master student in software engineering
2022.9-2024.6

China University of Petroleum (East China)
Undergraduate in software engineering
2018.9-2022.6

Experience¶

Research Intern at Ant Group
2025.10-Now

Honors & Awards¶

Special Academic Scholarship of Soochow University, November 2025
First National Prize, The 15^th LanQiao Cup, June 2024
Second Prize, The 5^th IKCEST "the Belt and Road" International Big Data competition and the 9^th Baidu & Xi'an Jiaotong University Big Data Competition, November 2023
Silver Award, The 19^th Baidu Star Programming Contest Jiangsu Region, September 2023
Third Prize, AFAC 2023 Financial Document Knowledge Extraction track, August 2023
Special Academic Scholarship of Soochow University, November 2022
Bronze medal, The 2021 ICPC Asia Shenyang Regional Contest, 20 - 21 November 2021
Bronze medal, The 2021 ICPC Asia Nanjing Regional Contest, 3 – 4 December 2021
Silver Medal, The 2021 ICPC China Shandong Provincial Programming Contest, 9 May 2021