Search Results for author: Xingmei Lou

Found 2 papers, 1 papers with code

Learning Linear Polytree Structural Equation Models

1 code implementation22 Jul 2021 Xingmei Lou, Yu Hu, XiaoDong Li

We are interested in the problem of learning the directed acyclic graph (DAG) when data are generated from a linear structural equation model (SEM) and the causal structure can be characterized by a polytree.

Consistency of Spectral Clustering on Hierarchical Stochastic Block Models

no code implementations30 Apr 2020 Lihua Lei, XiaoDong Li, Xingmei Lou

We study the hierarchy of communities in real-world networks under a generic stochastic block model, in which the connection probabilities are structured in a binary tree.

Clustering Stochastic Block Model

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