CV

Hanze Guo

ghz@ruc.edu.cn
Beijing, , CN

Summary

Ph.D. student at the Gaoling School of Artificial Intelligence, Renmin University of China. Research interests include LLM alignment, personalized reasoning, information retrieval, and recommendation systems.

Education

  • Artificial Intelligence
    Present
    Renmin University of China
  • Computer Science and Technology
    2022-06
    University of Electronic Science and Technology of China
    GPA: 3.96/4.0

Skills

Large Language Models

  • LLM alignment
  • RLHF
  • GRPO
  • LoRA
  • P-tuning
  • reasoning distillation
  • prompt engineering

Engineering

  • PyTorch
  • Hugging Face Transformers
  • TRL
  • DeepSpeed
  • Qwen
  • RAG
  • Agent Search

Publications

  • Counterfactual Reasoning for Steerable Pluralistic Value Alignment of Large Language Models
    2025
    NeurIPS 2025, CCF-A
    A counterfactual reasoning framework for steerable pluralistic value alignment of large language models.
  • SoREX: Towards Self-Explainable Social Recommendation with Relevant Ego-Path Extraction
    2025
    ACM Transactions on Information Systems, 2025, CCF-A
    A self-explainable social recommendation framework with relevant ego-path extraction.
  • Why not Collaborative Filtering in Dual View? Bridging Sparse and Dense Models
    2026
    ACM Transactions on Information Systems, 2026, CCF-A
    A plug-and-play dual-view recommendation framework that bridges sparse interaction structures and dense model representations.

Interests

  • Research
    LLM alignment, personalized reasoning, information retrieval, recommendation systems, multimodal search agents