activity
20242026
collaborators

6 papers

cs.CL2026

Beyond the Stability-Exploration Dilemma: Environmental Regularization for LLM Policy Optimization

Xianlei Zhou, Xiangdi Meng, Yu He +7

Policy optimization (PO) for Large Language Models faces a stability--exploration trade-off, currently mediated by an action-side Policy-KL regularizer. This puts practitioners in…

cs.IR2026

TagLLM: A Fine-Grained Tag Generation Approach for Note Recommendation

Zhijian Chen, Likai Wang, Lei Chen +7

Large Language Models (LLMs) have shown promising potential in E-commerce community recommendation. While LLMs and Multimodal LLMs (MLLMs) are widely used to encode notes into impl…

cs.CL2025

A Unified LLM-Adaptable Framework for Cold-Start Cognitive Diagnosis

Zihan Yao, Chentao Song, Yu He +4

Cognitive Diagnosis has become a critical task in AI-empowered education, supporting personalized learning by accurately assessing students' cognitive states. However, traditional…

cs.CL2025

ResoFilter: Fine-grained Synthetic Data Filtering for Large Language Models through Data-Parameter Resonance Analysis

Zeao Tu, Xiangdi Meng, Yu He +4

Large language models (LLMs) have shown remarkable effectiveness across various domains, with data augmentation methods utilizing GPT for synthetic data generation becoming prevale…

cs.LG2024

TSO: Self-Training with Scaled Preference Optimization

Kaihui Chen, Hao Yi, Qingyang Li +4

Enhancing the conformity of large language models (LLMs) to human preferences remains an ongoing research challenge. Recently, offline approaches such as Direct Preference Optimiza…

cs.CL2024

Scalable Model Editing via Customized Expert Networks

Zihan Yao, Yu He, Tianyu Qi +1

Addressing the issues of hallucinations and outdated knowledge in large language models is critical for their reliable application. Model Editing presents a promising avenue for mi…