Search Results for author: Yangyang Wu

Found 7 papers, 2 papers with code

Differentiable and Scalable Generative Adversarial Models for Data Imputation

no code implementations10 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.

Imputation

N2VSCDNNR: A Local Recommender System Based on Node2vec and Rich Information Network

no code implementations12 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.

Clustering Recommendation Systems

Can Adversarial Network Attack be Defended?

no code implementations11 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

GC-LSTM: Graph Convolution Embedded LSTM for Dynamic Link Prediction

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

Link Prediction Adversarial Attack

no code implementations2 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

Fast Gradient Attack on Network Embedding

no code implementations8 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

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