collaborators

5 papers

cs.CL2026

Thinking Seeds: Leveraging Historical Diversity for Position-Aware RL in LLMs

Lei Yang, Wei Bi, Chenxi Sun +2

On-policy reinforcement learning (RL) for language model post-training suffers from a fundamental tension: as training progresses, policy entropy collapses and sampling diversity d…

cs.CV2026

v-HUB: A Benchmark for Video Humor Understanding from Vision and Sound

Zhengpeng Shi, Yanpeng Zhao, Jianqun Zhou +6

AI models capable of comprehending humor hold real-world promise -- for example, enhancing engagement in human-machine interactions. To gauge and diagnose the capacity of multimoda…

cs.LG2026

Weights to Code: Extracting Interpretable Algorithms from the Discrete Transformer

Yifan Zhang, Wei Bi, Kechi Zhang +3

Algorithm extraction aims to synthesize executable programs directly from models trained on algorithmic tasks, enabling de novo recovery of executable mechanisms from weights witho…

cs.SE2026

PromCopilot: Simplifying Prometheus Metric Querying in Cloud Native Online Service Systems via Large Language Models

Chenxi Zhang, Bicheng Zhang, Dingyu Yang +6

With the increasing complexity of modern online service systems, understanding the state and behavior of the systems is essential for ensuring their reliability and stability. Ther…

cs.CV2025

Open Multimodal Retrieval-Augmented Factual Image Generation

Yang Tian, Fan Liu, Jingyuan Zhang +3

Large Multimodal Models (LMMs) have achieved remarkable progress in generating photorealistic and prompt-aligned images, but they often produce outputs that contradict verifiable k…