collaborators

6 papers

cs.CV2025

Uni-MMMU: A Massive Multi-discipline Multimodal Unified Benchmark

Kai Zou, Ziqi Huang, Yuhao Dong +7

Unified multimodal models aim to jointly enable visual understanding and generation, yet current benchmarks rarely examine their true integration. Existing evaluations either treat…

cs.LG2025

UFO-RL: Uncertainty-Focused Optimization for Efficient Reinforcement Learning Data Selection

Yang Zhao, Kai Xiong, Xiao Ding +9

Scaling RL for LLMs is computationally expensive, largely due to multi-sampling for policy optimization and evaluation, making efficient data selection crucial. Inspired by the Zon…

cs.LG2024

SurvAttack: Black-Box Attack On Survival Models through Ontology-Informed EHR Perturbation

Mohsen Nayebi Kerdabadi, Arya Hadizadeh Moghaddam, Bin Liu +2

Survival analysis (SA) models have been widely studied in mining electronic health records (EHRs), particularly in forecasting the risk of critical conditions for prioritizing high…

cs.LG2024

ELEMENT: Episodic and Lifelong Exploration via Maximum Entropy

Hongming Li, Zhao Yang, Shujian Yu +3

Reinforcement learning agents depend on reward signals whose density is rarely under the designer's control, and when such signals are absent, an agent must generate its own drive…

cs.LG2024

Boolean Product Graph Neural Networks

Ziyan Wang, Bin Liu, Ling Xiang

Graph Neural Networks (GNNs) have recently achieved significant success, with a key operation involving the aggregation of information from neighboring nodes. Substantial researche…

cs.LG2024

Probability Passing for Graph Neural Networks: Graph Structure and Representations Joint Learning

Ziyan Wang, Yaxuan He, Bin Liu

Graph Neural Networks (GNNs) have achieved notable success in the analysis of non-Euclidean data across a wide range of domains. However, their applicability is constrained by the…