Search Results for author: Junwei Su

Found 12 papers, 2 papers with code

Improving Implicit Regularization of SGD with Preconditioning for Least Square Problems

no code implementations13 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.

regression

BG-HGNN: Toward Scalable and Efficient Heterogeneous Graph Neural Network

no code implementations13 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.

Relation

On the Topology Awareness and Generalization Performance of Graph Neural Networks

no code implementations7 Mar 2024 Junwei Su, Chuan Wu

Using this framework, we investigate the effects of topology awareness on GNN generalization performance.

Active Learning

MSPipe: Efficient Temporal GNN Training via Staleness-aware Pipeline

1 code implementation23 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.

Scheduling

Towards Robust Graph Incremental Learning on Evolving Graphs

no code implementations20 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.

Incremental Learning

PRES: Toward Scalable Memory-Based Dynamic Graph Neural Networks

no code implementations6 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.

MTRGL:Effective Temporal Correlation Discerning through Multi-modal Temporal Relational Graph Learning

no code implementations25 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.

Graph Learning Link Prediction +2

CDMPP: A Device-Model Agnostic Framework for Latency Prediction of Tensor Programs

1 code implementation16 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.

Domain Adaptation

Towards Robust Inductive Graph Incremental Learning via Experience Replay

no code implementations7 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.

Incremental Learning

ABC: Aggregation before Communication, a Communication Reduction Framework for Distributed Graph Neural Network Training and Effective Partition

no code implementations11 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).

On Locality in Graph Learning via Graph Neural Network

no code implementations29 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.

Active Learning Graph Learning

Deep Learning System to Screen Coronavirus Disease 2019 Pneumonia

no code implementations21 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).

Computed Tomography (CT) COVID-19 Diagnosis

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