📝 Selected Publications

Sheetpedia: A 300K-Spreadsheet Corpus for Spreadsheet Intelligence and LLM Fine-Tuning

Zailong Tian, Zhuoheng Han, Houfeng Wang, Lizi Liao

A large-scale corpus of approximately 290K real-world spreadsheets, together with benchmarks for semantic-range understanding and formula generation.

Fragility Under Pressure: Evaluating the Iterative Stability of LLMs in Constrained Interactive Coding

Zhuoheng Han, Jin-Ge Yao, Zailong Tian, Xi Yang, Houfeng Wang

A study of whether LLMs remain stable and effective across repeated feedback-and-revision cycles in constrained coding environments.

Spectral Surgery: Training-Free Refinement of LoRA via Gradient-Guided Singular Value Reweighting

Zailong Tian, Yanzhe Chen, Zhuoheng Han, Lizi Liao

A training-free post-hoc method that improves trained LoRA adapters by reweighting singular components using gradients from a small calibration set.

Overconfidence in LLM-as-a-Judge: Diagnosis and Confidence-Driven Solution

Zailong Tian^*, Zhuoheng Han^*, Yanzhe Chen, Haozhe Xu, Xi Yang, Richeng Xuan, Houfeng Wang, Lizi Liao

A systematic diagnosis of confidence miscalibration in LLM judges and a confidence-aware fusion framework for more reliable evaluation.

^* Equal contribution.

FaGANet: An Evidence-Based Fact-Checking Model with Integrated Encoder Leveraging Contextual Information

Weiyao Luo, Junfeng Ran, Zailong Tian, Sujian Li, Zhifang Sui

Leveraging Two-Stream Cause-Effect Relation for Emotion-Cause Analysis

Junfeng Ran, Zailong Tian, Weiyao Luo, Sujian Li