56 citations · 225 across the 37 of their papers we have counts for
4 papers · 1 filter
Co-citation and Co-authorship Networks of Statisticians
Pengsheng Ji, Jiashun Jin, Zheng Tracy Ke +1
We collected and cleaned a large data set on publications in statistics. The data set consists of the coauthor relationships and citation relationships of 83, 331 papers published…
Power Enhancement and Phase Transitions for Global Testing of the Mixed Membership Stochastic Block Model
Louis Cammarata, Zheng Tracy Ke
The mixed-membership stochastic block model (MMSBM) is a common model for social networks. Given an -node symmetric network generated from a -community MMSBM, we would like t…
The SCORE normalization, especially for highly heterogeneous network and text data
Zheng Tracy Ke, Jiashun Jin
SCORE was introduced as a spectral approach to network community detection. Since many networks have severe degree heterogeneity, the ordinary spectral clustering (OSC) approach to…
Optimal Network Membership Estimation Under Severe Degree Heterogeneity
Zheng Tracy Ke, Jingming Wang
Real networks often have severe degree heterogeneity, with the maximum, average, and minimum node degrees differing significantly. This paper examines the impact of degree heteroge…