Search Results for author: Xu Feng

Found 3 papers, 2 papers with code

Deep Graph Learning for Anomalous Citation Detection

no code implementations23 Feb 2022 Jiaying Liu, Feng Xia, Xu Feng, Jing Ren, Huan Liu

To address this open issue, we propose a novel deep graph learning model, namely GLAD (Graph Learning for Anomaly Detection), to identify anomalies in citation networks.

Anomaly Detection Graph Learning +1

Faster Matrix Completion Using Randomized SVD

1 code implementation16 Oct 2018 Xu Feng, Wenjian Yu, Yaohang Li

Then, with the rSVD-BKI algorithm and a new subspace recycling technique, we accelerate the singular value thresholding (SVT) method in [1] to realize faster matrix completion.

Image Inpainting Matrix Completion +1

Fast Randomized PCA for Sparse Data

2 code implementations16 Oct 2018 Xu Feng, Yuyang Xie, Mingye Song, Wenjian Yu, Jie Tang

The algorithm has similar accuracy to the basic randomized SVD (rPCA) algorithm (Halko et al., 2011), but is largely optimized for sparse data.

Dimensionality Reduction Information Retrieval +1

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