collaborators

8 papers

cs.LG2026

Filter, Then Reweight: Rethinking Optimization Granularity in On-Policy Distillation

Yuying Li, Leqi Zheng, Yongzi Yu +6

On-Policy distillation (OPD) in large language models is shifting from full-trace KL supervision toward more selective training paradigms. Recent OPD methods increasingly focus on…

cs.LG2026

Efficient LLM Reasoning via Variational Posterior Guidance with Efficiency Awareness

Zizhao Chen, Yuying Li, Siting Lin +1

Although large language models rely on chain-of-thought for complex reasoning, the overthinking phenomenon severely degrades inference efficiency. Existing reinforcement learning m…

cs.CL2026

RealChart2Code: Advancing Chart-to-Code Generation with Real Data and Multi-Task Evaluation

Jiajun Zhang, Yuying Li, Zhixun Li +13

Vision-Language Models (VLMs) have demonstrated impressive capabilities in code generation across various domains. However, their ability to replicate complex, multi-panel visualiz…

cs.CV2026

VeriSciQA: An Auto-Verified Dataset for Scientific Visual Question Answering

Yuyi Li, Daoyuan Chen, Zhen Wang +2

Large Vision-Language Models (LVLMs) show promise for scientific applications, yet open-source models still struggle with Scientific Visual Question Answering (SVQA), namely answer…

cs.IR2026

What Should I Cite? A RAG Benchmark for Academic Citation Prediction

Leqi Zheng, Jiajun Zhang, Canzhi Chen +13

With the rapid growth of Web-based academic publications, more and more papers are being published annually, making it increasingly difficult to find relevant prior work. Citation…

cs.DB2025

Rethinking Text-to-SQL: Dynamic Multi-turn SQL Interaction for Real-world Database Exploration

Linzhuang Sun, Tianyu Guo, Hao Liang +6

Recent advances in Text-to-SQL have achieved strong results in static, single-turn tasks, where models generate SQL queries from natural language questions. However, these systems…