no code implementations • 13 Sep 2024 • Pengyun Wang, Yadi Cao, Chris Russell, Siyu Heng, Junyu Luo, Yanxin Shen, Xiao Luo
To address the issue, we study the problem of active graph domain adaptation, which selects a small quantitative of informative nodes on the target graph for extra annotation.
1 code implementation • 13 Jun 2024 • Pengyun Wang, Junyu Luo, Yanxin Shen, Ming Zhang, Siyu Heng, Xiao Luo
Graph pooling has gained attention for its ability to obtain effective node and graph representations for various downstream tasks.
2 code implementations • 15 Jun 2023 • Jingyang Zhang, Jingkang Yang, Pengyun Wang, Haoqi Wang, Yueqian Lin, Haoran Zhang, Yiyou Sun, Xuefeng Du, Yixuan Li, Ziwei Liu, Yiran Chen, Hai Li
Out-of-Distribution (OOD) detection is critical for the reliable operation of open-world intelligent systems.
Out-of-Distribution Detection Out of Distribution (OOD) Detection
no code implementations • 14 Feb 2023 • Qingzhong Ai, Pengyun Wang, Lirong He, Liangjian Wen, Lujia Pan, Zenglin Xu
Learning with imbalanced data is a challenging problem in deep learning.
1 code implementation • 21 Jan 2023 • Zhe Li, Zhongwen Rao, Lujia Pan, Pengyun Wang, Zenglin Xu
Multivariate Time Series forecasting has been an increasingly popular topic in various applications and scenarios.
Contrastive Learning Multivariate Time Series Forecasting +2
4 code implementations • 13 Oct 2022 • Jingkang Yang, Pengyun Wang, Dejian Zou, Zitang Zhou, Kunyuan Ding, Wenxuan Peng, Haoqi Wang, Guangyao Chen, Bo Li, Yiyou Sun, Xuefeng Du, Kaiyang Zhou, Wayne Zhang, Dan Hendrycks, Yixuan Li, Ziwei Liu
Out-of-distribution (OOD) detection is vital to safety-critical machine learning applications and has thus been extensively studied, with a plethora of methods developed in the literature.
1 code implementation • 10 Feb 2022 • Muberra Ozmen, Hao Zhang, Pengyun Wang, Mark Coates
These examples motivate the modelling of multiple types of bi-directional relationships between labels.
Multi-Label Classification Multi-Label Image Classification +4
no code implementations • 9 Nov 2021 • Chaozheng Wang, Shuzheng Gao, Cuiyun Gao, Pengyun Wang, Wenjie Pei, Lujia Pan, Zenglin Xu
Real-world data usually present long-tailed distributions.
1 code implementation • 8 Feb 2021 • Jia Li, Mengzhou Liu, Honglei Zhang, Pengyun Wang, Yong Wen, Lujia Pan, Hong Cheng
We present Mask-GVAE, a variational generative model for blind denoising large discrete graphs, in which "blind denoising" means we don't require any supervision from clean graphs.
2 code implementations • 10 May 2019 • Jia Li, Zhichao Han, Hong Cheng, Jiao Su, Pengyun Wang, Jianfeng Zhang, Lujia Pan
Through experiments on a real-world telecommunication network and a traffic network in California, we demonstrate the superiority of LRGCN to other competing methods in path failure prediction, and prove the effectiveness of SAPE on path representation.