activity
20242026
collaborators

10 papers

cs.CV2026

EVEWorld: Physical Evolution Supervision for Embodied World Models

Kaiqi Wang, Songxin Zhang, Zejian Xie +7

Embodied world models enable scalable simulation of embodied interactions for robot learning. However, existing models are prone to Model Laziness, as they focus on visual fidelity…

cs.RO2026

AtomEgo: Exploring Ego-Robot Integration for Embodied Foundation Model Pretraining

Di Wu, Dongchen Zheng, Junhe Sheng +8

Embodied foundation models are constrained by the limited scale and diversity of robot demonstrations, motivating the use of large-scale egocentric human interaction data. However,…

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.DC2026

BatchWeave: A Consistent Object-Store-Native Data Plane for Large Foundation Model Training

Ting Sun, Junjie Zhang, Xiao Yan +7

Modern Large Foundation Model (LFM) training has transformed the data pipeline from a static ingestion layer into a dynamic component that must co-evolve with the training process.…

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…

cs.LG2024

Exploring Learning Complexity for Efficient Downstream Dataset Pruning

Wenyu Jiang, Zhenlong Liu, Zejian Xie +3

The ever-increasing fine-tuning cost of large-scale pre-trained models gives rise to the importance of dataset pruning, which aims to reduce dataset size while maintaining task per…