activity
20192024
most citedSimGRACE: A Simple Framework for Graph Contrastive Learning without Data Augmentation

294 citations · 1.1k across the 67 of their papers we have counts for

collaborators
Showing 2021Show all

13 papers · 1 filter

cs.CV2021★ 14 cited

Boosting Discriminative Visual Representation Learning with Scenario-Agnostic Mixup

Siyuan Li, Zicheng Liu, Zedong Wang +3

Mixup is a well-known data-dependent augmentation technique for DNNs, consisting of two sub-tasks: mixup generation and classification. However, the recent dominant online training…

cs.LG2021★ 1 cited

Git: Clustering Based on Graph of Intensity Topology

Zhangyang Gao, Haitao Lin, Cheng Tan +2

\textbf{A}ccuracy, \textbf{R}obustness to noises and scales, \textbf{I}nterpretability, \textbf{S}peed, and \textbf{E}asy to use (ARISE) are crucial requirements of a good clusteri…

cs.AI2021★ 14 cited

Surrogate Representation Learning with Isometric Mapping for Gray-box Graph Adversarial Attacks

Zihan Liu, Yun Luo, Zelin Zang +1

Gray-box graph attacks aim at disrupting the performance of the victim model by using inconspicuous attacks with limited knowledge of the victim model. The parameters of the victim…

cs.LG2021★ 4 cited

An Empirical Study: Extensive Deep Temporal Point Process

Haitao Lin, Cheng Tan, Lirong Wu +3

Temporal point process as the stochastic process on continuous domain of time is commonly used to model the asynchronous event sequence featuring with occurrence timestamps. Thanks…

cs.AI2021★ 47 cited

ProGCL: Rethinking Hard Negative Mining in Graph Contrastive Learning

Jun Xia, Lirong Wu, Ge Wang +2

Contrastive Learning (CL) has emerged as a dominant technique for unsupervised representation learning which embeds augmented versions of the anchor close to each other (positive s…

cs.LG2021★ 122 cited

Co-learning: Learning from Noisy Labels with Self-supervision

Cheng Tan, Jun Xia, Lirong Wu +1

Noisy labels, resulting from mistakes in manual labeling or webly data collecting for supervised learning, can cause neural networks to overfit the misleading information and degra…

physics.geo-ph2021

A Data-driven feature selection and machine-learning model benchmark for the prediction of longitudinal dispersion coefficient

Yifeng Zhao, Pei Zhang, S. A. Galindo-Torres +1

Longitudinal Dispersion(LD) is the dominant process of scalar transport in natural streams. An accurate prediction on LD coefficient(Dl) can produce a performance leap in related s…

cs.LG2021

A data-based comparative review and AI-driven symbolic model for longitudinal dispersion coefficient in natural streams

Yifeng Zhao, Zicheng Liu, Pei Zhang +2

A better understanding of dispersion in natural streams requires knowledge of longitudinal dispersion coefficient(LDC). Various methods have been proposed for predictions of LDC. T…

cs.LG2021★ 13 cited

GraphMixup: Improving Class-Imbalanced Node Classification on Graphs by Self-supervised Context Prediction

Lirong Wu, Haitao Lin, Zhangyang Gao +2

Recent years have witnessed great success in handling node classification tasks with Graph Neural Networks (GNNs). However, most existing GNNs are based on the assumption that node…

cs.CV2021★ 1 cited

Exploring Localization for Self-supervised Fine-grained Contrastive Learning

Di Wu, Siyuan Li, Zelin Zang +1

Self-supervised contrastive learning has demonstrated great potential in learning visual representations. Despite their success in various downstream tasks such as image classifica…

cs.LG2021★ 5 cited

Unsupervised Deep Manifold Attributed Graph Embedding

Zelin Zang, Siyuan Li, Di Wu +3

Unsupervised attributed graph representation learning is challenging since both structural and feature information are required to be represented in the latent space. Existing meth…

cs.CV2021★ 1 cited

Contrastive Context-Aware Learning for 3D High-Fidelity Mask Face Presentation Attack Detection

Ajian Liu, Chenxu Zhao, Zitong Yu +11

Face presentation attack detection (PAD) is essential to secure face recognition systems primarily from high-fidelity mask attacks. Most existing 3D mask PAD benchmarks suffer from…

cs.LG2021★ 5 cited

Conditional Local Convolution for Spatio-temporal Meteorological Forecasting

Haitao Lin, Zhangyang Gao, Yongjie Xu +3

Spatio-temporal forecasting is challenging attributing to the high nonlinearity in temporal dynamics as well as complex location-characterized patterns in spatial domains, especial…