Haochen Liu

Haochen Liu

Ph.D. Student at the University of Virginia

Bio

I am currently a Ph.D. student at the Department of Computer Science at the University of Virginia, advised by Professor Jundong Li. I received my B.E. in Electronic Engineering from Tsinghua University in 2022.

My research interests are Large Language Model (LLM), Graph Neural Network (GNN), Knowledge Graph (KG).

In Submission

Mixture-of-Experts for Knowledge Graph Retrieval-Augmented Generation
Haochen Liu, Guanghui Min, Song Wang, Yada Zhu, Chen Chen, Jundong Li
In submission.

On Demonstration Selection for Large Language Model Fairness
Song Wang, Peng Wang, Yushun Dong, Haochen Liu, Tong Zhou, Lu Cheng, Yangfeng Ji, Jundong Li
In submission.

Publication

MI4Rec: Pretrained Language Model Based Cold-Start Recommendation with Meta-Item Embeddings
Zaiyi Zheng, Yaochen Zhu, Haochen Liu, Mingxuan Ju, Tong Zhao, Neil Shah, Jundong Li
The Conference on Information and Knowledge Management (CIKM), 2025.

Knowledge Graph Retrieval-Augmented Generation via GNN-Guided Prompting Code
Haochen Liu, Song Wang, Jundong Li
Conference on Language Modeling (COLM), 2025.

Question-Aware Knowledge Graph Prompting for Enhancing Large Language Models PDF Code
Haochen Liu, Song Wang, Chen Chen, Jundong Li.
Annual Meeting of the Association for Computational Linguistics (ACL), 2025.

KG-CF: Knowledge Graph Completion with Context Filtering
Zaiyi Zheng, Yushun Dong, Song Wang, Haochen Liu, Jundong Li.
IEEE International Conference on Big Data, 2024.

Knowledge Editing for Large Language Models: A Survey PDF
Song Wang, Yaochen Zhu, Haochen Liu, Zaiyi Zheng, Chen Chen, Jundong Li.
ACM Computing Surveys, 2024.

Knowledge Graph-Enhanced Large Language Models via Path Selection PDF Code
Haochen Liu, Song Wang, Yaochen Zhu, Yushun Dong, Jundong Li.
Annual Meeting of the Association for Computational Linguistics (ACL), 2024.

Few-shot Knowledge Graph Relational Reasoning via Subgraph Adaptation PDF Code
Haochen Liu, Song Wang, Chen Chen, Jundong Li
Annual Conference of the North American Chapter of the Association for Computational Linguistics (NAACL), 2024