no code implementations • 13 Mar 2024 • Junwei Su, Difan Zou, Chuan Wu
In this paper, we study the generalization performance of SGD with preconditioning for the least squared problem.
no code implementations • 13 Mar 2024 • Junwei Su, Lingjun Mao, Chuan Wu
Many computer vision and machine learning problems are modelled as learning tasks on heterogeneous graphs, featuring a wide array of relations from diverse types of nodes and edges.
no code implementations • 7 Mar 2024 • Junwei Su, Chuan Wu
Using this framework, we investigate the effects of topology awareness on GNN generalization performance.
1 code implementation • 23 Feb 2024 • Guangming Sheng, Junwei Su, Chao Huang, Chuan Wu
However, the iterative reading and updating process of the memory module in MTGNNs to obtain up-to-date information needs to follow the temporal dependencies.
no code implementations • 20 Feb 2024 • Junwei Su, Difan Zou, Zijun Zhang, Chuan Wu
We provide a formal formulation and analysis of the problem, and propose a novel regularization-based technique called Structural-Shift-Risk-Mitigation (SSRM) to mitigate the impact of the structural shift on catastrophic forgetting of the inductive NGIL problem.
no code implementations • 6 Feb 2024 • Junwei Su, Difan Zou, Chuan Wu
Memory-based Dynamic Graph Neural Networks (MDGNNs) are a family of dynamic graph neural networks that leverage a memory module to extract, distill, and memorize long-term temporal dependencies, leading to superior performance compared to memory-less counterparts.
no code implementations • 25 Jan 2024 • Junwei Su, Shan Wu, Jinhui Li
In this study, we explore the synergy of deep learning and financial market applications, focusing on pair trading.
1 code implementation • 16 Nov 2023 • Hanpeng Hu, Junwei Su, Juntao Zhao, Yanghua Peng, Yibo Zhu, Haibin Lin, Chuan Wu
Considering the large space of DNN models and devices that impede direct profiling of all combinations, recent efforts focus on building a predictor to model the performance of DNN models on different devices.
no code implementations • 7 Feb 2023 • Junwei Su, Chuan Wu
Inductive node-wise graph incremental learning is a challenging task due to the dynamic nature of evolving graphs and the dependencies between nodes.
no code implementations • 11 Dec 2022 • Junwei Su
ABC method exploits the permutation-invariant property of the GNNs layer and leads to a paradigm where vertex-cut is proved to admit a superior communication performance than the currently popular paradigm (edge-cut).
no code implementations • 29 Sep 2021 • Junwei Su, Jiaqi Han, Chuan Wu
In this paper, we study how the training set in the input graph effects the performance of GNN.
no code implementations • 21 Feb 2020 • Xiaowei Xu, Xiangao Jiang, Chunlian Ma, Peng Du, Xukun Li, Shuangzhi Lv, Liang Yu, Yanfei Chen, Junwei Su, Guanjing Lang, Yongtao Li, Hong Zhao, Kaijin Xu, Lingxiang Ruan, Wei Wu
We found that the real time reverse transcription-polymerase chain reaction (RT-PCR) detection of viral RNA from sputum or nasopharyngeal swab has a relatively low positive rate in the early stage to determine COVID-19 (named by the World Health Organization).