CV
Education
- Ph.D. student in Artificial Intelligence, Gaoling School of Artificial Intelligence, Renmin University of China, Sept. 2022 - Present
- B.S. in Computer Science and Technology, University of Electronic Science and Technology of China, Sept. 2018 - Jun. 2022
- GPA: 3.96/4.0
- Outstanding Graduate of Sichuan Province
Research
- Large language model alignment, personalized reasoning, information retrieval, and recommendation systems.
- Three first-author CCF-A publications, including one NeurIPS paper.
- Three additional CCF-A submissions under review.
Publications
Counterfactual Reasoning for Steerable Pluralistic Value Alignment of Large Language Models
Hanze Guo, Jing Yao, Xiao Zhou, Xiaoyuan Yi, Xing Xie. NeurIPS 2025, CCF-A.SoREX: Towards Self-Explainable Social Recommendation with Relevant Ego-Path Extraction
Hanze Guo, Yijun Ma, Xiao Zhou. ACM Transactions on Information Systems (TOIS), 2025, CCF-A.Why not Collaborative Filtering in Dual View? Bridging Sparse and Dense Models
Hanze Guo, Jianxun Lian, Xiao Zhou. ACM Transactions on Information Systems (TOIS), 2026, CCF-A.From Static Personal Values to Contextualized Personalization: Bayesian Personalized Value Alignment for LLMs
Hanze Guo, Jing Yao, Aixuan Song, Xiao Zhou, Xiangxu Zhang, Xiaoyuan Yi, Xing Xie. Under review.Regularization is Key: Enhancing Cross-Modal Relationships in LLM-Based Time Series Forecasting
Hanze Guo, Cheng Bian, Qi Bi, Yeilei Li, Xiaoyu Li, Ramy Hussein, Xiangxu Zhang, Zijing Zeng, Xiao Zhou. Under review.
Skills
- PyTorch, Hugging Face Transformers, TRL, and DeepSpeed.
- LLM fine-tuning and alignment methods, including LoRA, P-tuning, RLHF, and GRPO.
- Prompt engineering, chain-of-thought supervision, and reasoning distillation for small LLMs.
- Qwen-family model deployment, large-model training, and inference optimization.
- RAG, agents, agent search, and multimodal search applications.
