activity
20192026
most citedRandomized spectral co-clustering for large-scale directed networks

8 citations · 9 across the 6 of their papers we have counts for

collaborators

6 papers

stat.AP2026

Multilayer-Dynamic Network Clustering with Application to World Trade Data

Mengze Huang, Wenqing Su, Xiao Guo +2

International trade data, such as the FAO dataset, can be naturally represented as \emph{multilayer-dynamic networks}, where countries are nodes, trade relationships are edges, dif…

stat.ME2022

On the efficacy of higher-order spectral clustering under weighted stochastic block models

Xiao Guo, Hai Zhang, Xiangyu Chang

Higher-order structures of networks, namely, small subgraphs of networks (also called network motifs), are widely known to be crucial and essential to the organization of networks.…

stat.ML2021★ 1 cited

FedPower: Privacy-Preserving Distributed Eigenspace Estimation

Xiao Guo, Xiang Li, Xiangyu Chang +2

Eigenspace estimation is fundamental in machine learning and statistics, which has found applications in PCA, dimension reduction, and clustering, among others. The modern machine…

stat.ML2020★ 8 cited

Randomized spectral co-clustering for large-scale directed networks

Xiao Guo, Yixuan Qiu, Hai Zhang +1

Directed networks are broadly used to represent asymmetric relationships among units. Co-clustering aims to cluster the senders and receivers of directed networks simultaneously. I…

cs.SI2020

Randomized Spectral Clustering in Large-Scale Stochastic Block Models

Hai Zhang, Xiao Guo, Xiangyu Chang

Spectral clustering has been one of the widely used methods for community detection in networks. However, large-scale networks bring computational challenges to the eigenvalue deco…

stat.ML2019

Differentially Private Precision Matrix Estimation

Wenqing Su, Xiao Guo, Hai Zhang

In this paper, we study the problem of precision matrix estimation when the dataset contains sensitive information. In the differential privacy framework, we develop a differential…