no code implementations • 29 Sep 2023 • Kenneth Allen, Ming-Jun Lai, Zhaiming Shen
Our main results consist of an improvement of a classic estimate for matrix cross approximation and a greedy approach for finding the maximal volume submatrices.
no code implementations • 20 Nov 2022 • Zhaiming Shen, Ming-Jun Lai, Sheng Li
Local clustering problem aims at extracting a small local structure inside a graph without the necessity of knowing the entire graph structure.
1 code implementation • 7 Feb 2022 • Ming-Jun Lai, Zhaiming Shen
A least squares semi-supervised local clustering algorithm based on the idea of compressed sensing is proposed to extract clusters from a graph with known adjacency matrix.
1 code implementation • 17 Aug 2018 • Ming-Jun Lai, Daniel Mckenzie
We show how one can phrase the cut improvement problem for graphs as a sparse recovery problem, whence one can use algorithms originally developed for use in compressive sensing (such as SubspacePursuit or CoSaMP) to solve it.
Information Theory Numerical Analysis Social and Information Networks Information Theory Numerical Analysis 68Q25, 68R10, 68U05, 94A12
no code implementations • 30 Aug 2017 • Ming-Jun Lai, Daniel Mckenzie
The community detection problem for graphs asks one to partition the n vertices V of a graph G into k communities, or clusters, such that there are many intracluster edges and few intercluster edges.
no code implementations • 30 Jul 2014 • Binbin Lin, Qingyang Li, Qian Sun, Ming-Jun Lai, Ian Davidson, Wei Fan, Jieping Ye
The effectiveness of gene expression pattern annotation relies on the quality of feature representation.
1 code implementation • 4 Apr 2014 • Zheng Wang, Ming-Jun Lai, Zhaosong Lu, Wei Fan, Hasan Davulcu, Jieping Ye
Numerical results show that our proposed algorithm is more efficient than competing algorithms while achieving similar or better prediction performance.