no code implementations • 1 Jun 2023 • Yicong Jiang, Tracy Ke
Motivated by social network analysis and network-based recommendation systems, we study a semi-supervised community detection problem in which the objective is to estimate the community label of a new node using the network topology and partially observed community labels of existing nodes.
no code implementations • NeurIPS 2021 • Jiashun Jin, Tracy Ke, Jiajun Liang
In a broad Degree-Corrected Mixed-Membership (DCMM) setting, we test whether a non-uniform hypergraph has only one community or has multiple communities.
no code implementations • ICLR 2022 • Tracy Ke, Longlin Wang
Lasso is a celebrated method for variable selection in linear models, but it faces challenges when the covariates are moderately or strongly correlated.