1 code implementation • 25 Nov 2022 • Yixin Liu, Yizhen Zheng, Daokun Zhang, Vincent CS Lee, Shirui Pan
Node representations are learned through contrasting the dual-channel encodings obtained from the discriminated homophilic and heterophilic edges.
1 code implementation • 17 Oct 2022 • Yizhen Zheng, Yu Zheng, Xiaofei Zhou, Chen Gong, Vincent CS Lee, Shirui Pan
To address aforementioned problems, we present a simple self-supervised learning method termed Unifying Graph Contrastive Learning with Flexible Contextual Scopes (UGCL for short).
1 code implementation • 3 Jun 2022 • Yizhen Zheng, Shirui Pan, Vincent CS Lee, Yu Zheng, Philip S. Yu
Instead of similarity computation, GGD directly discriminates two groups of node samples with a very simple binary cross-entropy loss.
no code implementations • 5 Apr 2022 • Ji Fang, Vincent CS Lee, HaiYan Wang
With real-time monitoring of the personalized healthcare condition, the IoT wearables collect the health data and transfer it to the healthcare information platform.
no code implementations • 3 Apr 2022 • Ji Fang, Vincent CS Lee, HaiYan Wang
The behavioural factors include changing fitness preferences, adherence issues, and uncertainty about future fitness outcomes, which may all lead to a decline in the quality of the mHealth information services.
no code implementations • 7 Jul 2021 • Fengda Zhu, Yi Zhu, Vincent CS Lee, Xiaodan Liang, Xiaojun Chang
A navigation agent is supposed to have various intelligent skills, such as visual perceiving, mapping, planning, exploring and reasoning, etc.
1 code implementation • 18 Jun 2021 • Yixin Liu, Shirui Pan, Yu Guang Wang, Fei Xiong, Liang Wang, Qingfeng Chen, Vincent CS Lee
Detecting anomalies for dynamic graphs has drawn increasing attention due to their wide applications in social networks, e-commerce, and cybersecurity.
no code implementations • 25 Sep 2019 • Chang How Tan, Vincent CS Lee, Mahsa Salehi
The two types of drift that are extensively studied are real drift and virtual drift where the former is the change in posterior probabilities p(y|X) while the latter is the change in distribution of X without affecting the posterior probabilities.
1 code implementation • 30 Jun 2019 • Xiaoyu Qin, Kai Ming Ting, Ye Zhu, Vincent CS Lee
A new type of clusters called mass-connected clusters is formally defined.