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Poster
Deconvolutional Networks on Graph Data
Jia Li · Jiajin Li · Yang Liu · Jianwei Yu · Yueting Li · Hong Cheng

Thu Dec 09 04:30 PM -- 06:00 PM (PST) @ None #None

In this paper, we consider an inverse problem in graph learning domain -- "given the graph representations smoothed by Graph Convolutional Network (GCN), how can we reconstruct the input graph signal?" We propose Graph Deconvolutional Network (GDN) and motivate the design of GDN via a combination of inverse filters in spectral domain and de-noising layers in wavelet domain, as the inverse operation results in a high frequency amplifier and may amplify the noise. We demonstrate the effectiveness of the proposed method on several tasks including graph feature imputation and graph structure generation.

Author Information

Jia Li (Hong Kong University of Science and Technology)
Jiajin Li (The Chinese University of Hong Kong)
Yang Liu (HKUST)
Jianwei Yu (CUHK)
Yueting Li (The Chinese University of Hong Kong)
Hong Cheng (The Chinese University of Hong Kong)

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