Christos Boutsidis

SVD based initialization: A head start for nonnegative matrix factorization

Christos Boutsidis, Efstratios Gallopoulos · Pattern Recognition · 2007 · 690 citations

Mathematical Programming, Engineering, Machine Learning +11

An improved approximation algorithm for the column subset selection problem

Christos Boutsidis, Michael W. Mahoney, Petros Drineas · Symposium on Discrete Algorithms · 2009 · 304 citations

Mathematical Programming, Engineering, Feature Selection +20

Atomic-Level Characterization of the Ensemble of the Aβ(1–42) Monomer in Water Using Unbiased Molecular Dynamics Simulations and Spectral Algorithms

Nikolaos G. Sgourakis, Myrna Merced-Serrano, Christos Boutsidis et al. · Journal of Molecular Biology · 2010 · 216 citations

Molecular Kinetics, Spectral Algorithms, Engineering +10

Randomized Dimensionality Reduction for <inline-formula> <tex-math notation="LaTeX">$k$ </tex-math></inline-formula>-Means Clustering

Christos Boutsidis, Anastasios Zouzias, Michael W. Mahoney et al. · IEEE Transactions on Information Theory · 2014 · 210 citations

Engineering, Machine Learning, Data Science +10

An Improved Approximation Algorithm for the Column Subset Selection Problem

Christos Boutsidis, Michael W. Mahoney, Petros Drineas · Proceedings of the Twentieth Annual ACM-SIAM Symposium on Discrete Algorithms · 2009 · 192 citations