activity
20242026
collaborators

11 papers

cs.CL2026

GeoSVG-RL: Geometry-Aware Reinforcement Learning for Layout-Constrained Text-to-SVG Diagram Generation

Sifan Li, Yujun Cai, Hongkai Chen +1

Generating structured, editable diagrams remains a significant challenge for contemporary large language models, despite their proficiency in general-purpose vector code generation…

cs.SE2026

SWE-TRACE: Optimizing Long-Horizon SWE Agents Through Rubric Process Reward Models and Heuristic Test-Time Scaling

Hao Han, Jin Xie, Xuehao Ma +5

Resolving real-world software engineering (SWE) issues with autonomous agents requires complex, long-horizon reasoning. Current pipelines are bottlenecked by unoptimized demonstrat…

cs.SD2026

AudioRouter: Data Efficient Audio Understanding via RL based Dual Reasoning

Liyang Chen, Hongkai Chen, Yujun Cai +3

Large Audio Language Models (LALMs) have demonstrated strong capabilities in audio understanding and reasoning. However, their performance on fine grained auditory perception remai…

cs.CL2026

OptiSQL: Executable SQL Generation from Optical Tokens

Sifan Li, Hongkai Chen, Yujun Cai +3

Executable SQL generation is typically studied in text-to-SQL settings, where tables are provided as fully linearized textual schemas and contents. While effective, this formulatio…

cs.SD2025

Detecting and Mitigating Insertion Hallucination in Video-to-Audio Generation

Liyang Chen, Hongkai Chen, Yujun Cai +3

Video-to-Audio generation has made remarkable strides in automatically synthesizing sound for video. However, existing evaluation metrics, which focus on semantic and temporal alig…

cs.CV2025

Vision Language Models Map Logos to Text via Semantic Entanglement in the Visual Projector

Sifan Li, Hongkai Chen, Yujun Cai +4

Vision Language Models (VLMs) have achieved impressive progress in multimodal reasoning; yet, they remain vulnerable to hallucinations, where outputs are not grounded in visual evi…