activity
20242026
collaborators

6 papers

cs.LG2026

HSAP: A Hierarchical Sequence-aware Parallelism for Hybrid-Context Generative Models

Songxin Zhang, Zejian Xie, Zhuoyang Song +4

In this paper, we aim to combine the advantages of existing sequence parallelism paradigms and overcomes their drawbacks, the most serious of which is the incapability to correctly…

cs.AI2026

Natural Language-Driven Global Mapping of Martian Landforms

Yiran Wang, Shuoyuan Wang, Zhaoran Wei +7

Planetary surfaces are typically analyzed using high-level semantic concepts in natural language, yet vast orbital image archives remain organized at the pixel level. This mismatch…

cs.AI2025

Orcust: Stepwise-Feedback Reinforcement Learning for GUI Agent

Junyu Lu, Songxin Zhang, Zejian Xie +2

Recent advances in GUI agents have achieved remarkable grounding and action-prediction performance, yet existing models struggle with unreliable reward signals and limited online t…

cs.CL2025

L0: Reinforcement Learning to Become General Agents

Junjie Zhang, Jingyi Xi, Zhuoyang Song +7

Training large language models (LLMs) to act as autonomous agents for multi-turn, long-horizon tasks remains significant challenges in scalability and training efficiency. To addre…

cs.CV2025

Astrea: A MOE-based Visual Understanding Model with Progressive Alignment

Xiaoda Yang, JunYu Lu, Hongshun Qiu +12

Vision-Language Models (VLMs) based on Mixture-of-Experts (MoE) architectures have emerged as a pivotal paradigm in multimodal understanding, offering a powerful framework for inte…

cs.CL2024

Fine-tuning can Help Detect Pretraining Data from Large Language Models

Hengxiang Zhang, Songxin Zhang, Bingyi Jing +1

In the era of large language models (LLMs), detecting pretraining data has been increasingly important due to concerns about fair evaluation and ethical risks. Current methods diff…