🚩 About Me
Hi! I’m Haoran Luo, a final-year Ph.D. candidate from School of Computer Science, Beijing University of Posts and Telecommunications (BUPT), supervised by Prof. Haihong E. I’m visiting College of Computing and Data Science (CCDS), Nanyang Technological University (NTU Singapore) as a joint Ph.D. student since November 2024, supervised by Prof. Luu Anh Tuan. Before that, I obtained my Bachelor’s degree in Computer Science and Technology from BUPT in 2021.
My research interest includes knowledge graph, large language model and their bi-directionally driven combination for interpretable representation learning and doman-specific applications, which can be devided as follow:
- Knowledge Representation
- End-to-end Reinforcement Learning
- LLM-based Multi-agent Systems
- Multi-modal Information Fusion
- Applications in Healthcare, Education, Law, and Computer Systems
Email: haoran.luo@ieee.org
Office: N4-B1a-02, Artificial Intelligence Lab, CCDS, NTU
Note: I am currently open to academic opportunities. Please feel free to contact me regarding any available positions.
Note: I’m also actively looking for self-motivated students and researchers to collaborate on frontier topics in LLM-related research. If you’re interested in my research directions, please feel free to reach out to me.
📝 Publications

Graph-R1: Towards Agentic GraphRAG Framework via End-to-end Reinforcement Learning
Haoran Luo, Haihong E, Guanting Chen, Qika Lin, Yikai Guo, Fangzhi Xu, Zemin Kuang, Meina Song, Xiaobao Wu, Yifan Zhu, Luu Anh Tuan
[paper][code]

HyperGraphRAG: Retrieval-Augmented Generation via Hypergraph-Structured Knowledge Representation
Haoran Luo, Haihong E, Guanting Chen, Yandan Zheng, Xiaobao Wu, Yikai Guo, Qika Lin, Yu Feng, Zemin Kuang, Meina Song, Yifan Zhu, Luu Anh Tuan
[paper][code]

KBQA-o1: Agentic Knowledge Base Question Answering with Monte Carlo Tree Search
Haoran Luo, Haihong E, Yikai Guo, Qika Lin, Xiaobao Wu, Xinyu Mu, Wenhao Liu, Meina Song, Yifan Zhu, Luu Anh Tuan
[paper][code]

Text2NKG: Fine-Grained N-ary Relation Extraction for N-ary relational Knowledge Graph Construction
Haoran Luo, Haihong E, Yuhao Yang, Tianyu Yao, Yikai Guo, Zichen Tang, Wentai Zhang, Shiyao Peng, Kaiyang Wan, Meina Song, Wei Lin, Yifan Zhu, Luu Anh Tuan
[paper][code]

ChatKBQA: A Generate-then-Retrieve Framework for Knowledge Base Question Answering with Fine-tuned Large Language Models
Haoran Luo, Haihong E, Zichen Tang, Shiyao Peng, Yikai Guo, Wentai Zhang, Chenghao Ma, Guanting Dong, Meina Song, Wei Lin, Yifan Zhu, Luu Anh Tuan
[paper][code]

HAHE: Hierarchical Attention for Hyper-Relational Knowledge Graphs in Global and Local Level
Haoran Luo, Haihong E, Yuhao Yang, Yikai Guo, Mingzhi Sun, Tianyu Yao, Zichen Tang, Kaiyang Wan, Meina Song, Wei Lin
[paper][code]

NQE: N-ary Query Embedding for Complex Query Answering over Hyper-Relational Knowledge Graphs
Haoran Luo, Haihong E, Yuhao Yang, Gengxian Zhou, Yikai Guo, Tianyu Yao, Zichen Tang, Xueyuan Lin, Kaiyang Wan
[paper][code]

DHGE: Dual-View Hyper-Relational Knowledge Graph Embedding for Link Prediction and Entity Typing
Haoran Luo, Haihong E, Ling Tan, Gengxian Zhou, Tianyu Yao, Kaiyang Wan
[paper][code]
💼 Academic Services
- Conference Area Chair: NeurIPS 2025, KDD 2025, KDD 2026
- Conference PC Member/Reviewer: NeurIPS 2024, NeurIPS 2025, ICLR 2025, ICLR 2026, ICML 2025, ACL 2023, ACL 2024, ACL 2025, AAAI 2023, AAAI 2024, AAAI 2025, AAAI 2026, KDD 2025, WWW 2025, ACM MM 2025, EMNLP 2022, EMNLP 2023, EMNLP 2024, EMNLP 2025, NAACL 2024, NAACL 2025, COLING 2025, CIKM 2024, AISTATS 2025, AISTATS 2026, NLPCC 2024, NLPCC 2025, CCKS 2025, IEEE ICKG 2025, ACM MMAsia 2025
- Journal Reviewer: IEEE Transactions on Knowledge and Data Engineering (IEEE TKDE), IEEE Transactions on Dependable and Secure Computing (IEEE TDSC), Information Processing & Management (IPM), Pattern Recognition (PR), Knowledge-Based Systems (KBS), Neurocomputing, Geo-spatial Information Science (TGSI), Biomedical Signal Processing and Control (BSPC)
🎖 Honors and Awards
- 2023.10: National Scholarship for Excellent Ph.D. Students
- 2023.06: Campus Top Ten Pioneer 2023 of Beijing University of Posts and Telecommunications
- 2020.06: Campus Top Ten Pioneer 2020 of Beijing University of Posts and Telecommunications
📖 Education and Experience
- 2024.11 - Present: Joint Ph.D., College of Computing and Data Science, Nanyang Technological University, Singapore.
- 2021.09 - Present: Ph.D., School of Computer Science, Beijing University of Posts and Telecommunications, Beijing.
- 2017.09 - 2021.06: Undergraduate, School of Computer Science, Beijing University of Posts and Telecommunications, Beijing.
- 2011.09 - 2017.06: Northeast Yucai Middle School, Shenyang, Liaoning Province.