no code implementations • 12 Apr 2024 • Haili Sun, Yan Huang, Lansheng Han, Cai Fu, Chunjie Zhou
To address this issue, we propose a novel self-supervised hierarchical contrastive consistency learning method for detecting anomalies in MTS, named HCL-MTSAD.
no code implementations • 5 Mar 2024 • Haili Sun, Yan Huang, Lansheng Han, Cai Fu, Chunjie Zhou
Subsequently, based on these two types of state matrices, a three-branch structure of series-temporal-spatial attention module is designed to simultaneously capture the series, temporal, and space dependencies among MTS.
no code implementations • 4 Nov 2023 • Haili Sun, Yan Huang, Lansheng Han, Cai Fu, Hongle Liu, Xiang Long
Then, by exploiting the distribution property and modeling the normal patterns of multivariate time series, a variational autoencoder is introduced to force the generative adversarial network (GAN) to generate diverse samples.
no code implementations • 1 Sep 2020 • Houxiang Fan, Binghui Wang, Pan Zhou, Ang Li, Meng Pang, Zichuan Xu, Cai Fu, Hai Li, Yiran Chen
Link prediction in dynamic graphs (LPDG) is an important research problem that has diverse applications such as online recommendations, studies on disease contagion, organizational studies, etc.