collaborators

5 papers

cs.LG2025

Improving Time Series Forecasting via Instance-aware Post-hoc Revision

Zhiding Liu, Mingyue Cheng, Guanhao Zhao +3

Time series forecasting plays a vital role in various real-world applications and has attracted significant attention in recent decades. While recent methods have achieved remarkab…

cs.AI2025

IRT-Router: Effective and Interpretable Multi-LLM Routing via Item Response Theory

Wei Song, Zhenya Huang, Cheng Cheng +5

Large language models (LLMs) have demonstrated exceptional performance across a wide range of natural language tasks. However, selecting the optimal LLM to respond to a user query…

cs.CL2025

From Objectives to Questions: A Planning-based Framework for Educational Mathematical Question Generation

Cheng Cheng, Zhenya Huang, Guanhao Zhao +5

Automatically generating high-quality mathematical problems that align with educational objectives is a crucial task in NLP-based educational technology. Traditional generation met…

cs.CL2025

Position: AI Evaluation Should Learn from How We Test Humans

Yan Zhuang, Qi Liu, Zachary A. Pardos +5

As AI systems continue to evolve, their rigorous evaluation becomes crucial for their development and deployment. Researchers have constructed various large-scale benchmarks to det…

cs.AI2024

A Survey of Models for Cognitive Diagnosis: New Developments and Future Directions

Fei Wang, Weibo Gao, Qi Liu +8

Cognitive diagnosis has been developed for decades as an effective measurement tool to evaluate human cognitive status such as ability level and knowledge mastery. It has been appl…