no code implementations • 10 Jan 2022 • Yangyang Wu, Jun Wang, Xiaoye Miao, Wenjia Wang, Jianwei Yin
DIM leverages a new masking Sinkhorn divergence function to make an arbitrary generative adversarial imputation model differentiable, while for such a differentiable imputation model, SSE can estimate an appropriate sample size to ensure the user-specified imputation accuracy of the final model.
1 code implementation • AAAI Conference on Artificial Intelligence 2021 • Xiaoye Miao, Yangyang Wu, Jun Wang, Yunjun Gao, Xudong Mao, and Jianwei Yin
In this paper, we propose a novel semi-supervised generative adversarial network model, named SSGAN, for missing value imputation in multivariate time series data.
Generative Adversarial Network Multivariate Time Series Imputation +2
no code implementations • 12 Apr 2019 • Jinyin Chen, Yangyang Wu, Lu Fan, Xiang Lin, Haibin Zheng, Shanqing Yu, Qi Xuan
In particular, we use a bipartite network to construct the user-item network, and represent the interactions among users (or items) by the corresponding one-mode projection network.
no code implementations • 11 Mar 2019 • Jinyin Chen, Yangyang Wu, Xiang Lin, Qi Xuan
In this paper, we are interested in the possibility of defense against adversarial attack on network, and propose defense strategies for GNNs against attacks.
Social and Information Networks Physics and Society
2 code implementations • 2020 • Jinyin Chen, Xuanheng Xu, Yangyang Wu, Haibin Zheng
To the best of our knowledge, it is the first time that GCN embedded LSTM is put forward for link prediction of dynamic networks.
Social and Information Networks Physics and Society
no code implementations • 2 Oct 2018 • Jinyin Chen, Ziqiang Shi, Yangyang Wu, Xuanheng Xu, Haibin Zheng
Deep neural network has shown remarkable performance in solving computer vision and some graph evolved tasks, such as node classification and link prediction.
Physics and Society Social and Information Networks
no code implementations • 8 Sep 2018 • Jinyin Chen, Yangyang Wu, Xuanheng Xu, Yixian Chen, Haibin Zheng, Qi Xuan
Network embedding maps a network into a low-dimensional Euclidean space, and thus facilitate many network analysis tasks, such as node classification, link prediction and community detection etc, by utilizing machine learning methods.
Physics and Society Social and Information Networks