collaborators

9 papers

cs.RO2026

UniW(A)M: A Unified Mixture-of-Experts Framework for World and World-Action Models

Jingbo Xu, Jianjie Fang, Zhuohang Li +9

World models (WMs) and world-action models (WAMs) focus on future world prediction and executable action generation, respectively. Although these models learn shared physical dynam…

cs.AI2026

IMPACT: Attention Is the Interaction Map for Scalable Interaction-Aware World Model Training

Rongze Tang, Jianjie Fang, Zhaolu Wang +8

World models have made remarkable progress in action-conditioned future prediction for embodied agents, yet still struggle to model physically plausible interactions. Existing appr…

cs.AI2026

CAER: Causal Action Effect Reweighting for World Model Training

Jianjie Fang, Xvyuan Liu, Ziyou Wang +9

World models are becoming core infrastructure for embodied intelligence, with action-conditioned video generation providing controllable predictions of how scenes evolve after agen…

cs.MA2026

ST-EVO: Towards Generative Spatio-Temporal Evolution of Multi-Agent Communication Topologies

Xingjian Wu, Xvyuan Liu, Junkai Lu +6

LLM-powered Multi-Agent Systems (MAS) have emerged as an effective approach towards collaborative intelligence, and have attracted wide research interests. Among them, ``self-evolv…

cs.LG2026

SEER: Transformer-based Robust Time Series Forecasting via Automated Patch Enhancement and Replacement

Xiangfei Qiu, Xvyuan Liu, Tianen Shen +4

Time series forecasting is important in many fields that require accurate predictions for decision-making. Patching techniques, commonly used and effective in time series modeling,…

cs.LG2026

Bridging Time and Frequency: A Joint Modeling Framework for Irregular Multivariate Time Series Forecasting

Xiangfei Qiu, Kangjia Yan, Xvyuan Liu +2

Irregular multivariate time series forecasting (IMTSF) is challenging due to non-uniform sampling and variable asynchronicity. These irregularities violate the equidistant assumpti…

cs.LG2025

DBLoss: Decomposition-based Loss Function for Time Series Forecasting

Xiangfei Qiu, Xingjian Wu, Hanyin Cheng +4

Time series forecasting holds significant value in various domains such as economics, traffic, energy, and AIOps, as accurate predictions facilitate informed decision-making. Howev…

cs.LG2025

ASTGI: Adaptive Spatio-Temporal Graph Interactions for Irregular Multivariate Time Series Forecasting

Xvyuan Liu, Xiangfei Qiu, Hanyin Cheng +4

Irregular multivariate time series (IMTS) are prevalent in critical domains like healthcare and finance, where accurate forecasting is vital for proactive decision-making. However,…

cs.LG2025

Rethinking Irregular Time Series Forecasting: A Simple yet Effective Baseline

Xvyuan Liu, Xiangfei Qiu, Xingjian Wu +4

The forecasting of irregular multivariate time series (IMTS) is crucial in key areas such as healthcare, biomechanics, climate science, and astronomy. However, achieving accurate a…