Walden H’s Blog

Hi👋! I’m a Ph.D candidate at Gaoling School of Artificial Intelligence, Renmin University of China. I am fortunate to be advised by Prof. Zhicheng Dou and Prof. Ji-Rong Wen at GSAI.

Currently, I serve as one of the editors of the Artificial Intelligence Governance Digest at Renmin University of China.

My major research interests include:

Responsible and Safe AI
- Retrieval-Enhanced LLM Text Detection - EMNLP'25 [CCF-B]
- Text Hallucination Detection (Under Review)
- Robust LLM Text Detection for RAG Scenario (Under Review)
- Long Document Fine-Grained LLM Text Detection (Work in Progress)
- Information-Enhanced LLM Text Detection (Work in Progress)
Pre-training Techniques
- Personalized Chatbots - EMNLP'22 [CCF-B]
- Session Search - TKDE'24 [CCF-A]
PEFT Technique for RAG - AAAI'25 [CCF-A]