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Christos Boutsidis
Christos Boutsidis
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SVD based initialization: A head start for nonnegative matrix factorization
C Boutsidis, E Gallopoulos
Pattern recognition 41 (4), 1350-1362, 2008
9112008
An improved approximation algorithm for the column subset selection problem
C Boutsidis, MW Mahoney, P Drineas
Proceedings of the twentieth Annual ACM-SIAM Symposium on Discrete …, 2009
4982009
Near-optimal column-based matrix reconstruction
C Boutsidis, P Drineas, M Magdon-Ismail
Arxiv preprint arXiv:1103.0995, 2011
3222011
Randomized Dimensionality Reduction for-Means Clustering
C Boutsidis, A Zouzias, MW Mahoney, P Drineas
IEEE Transactions on Information Theory 61 (2), 1045-1062, 2014
2872014
Atomic-level characterization of the ensemble of the Aβ (1–42) monomer in water using unbiased molecular dynamics simulations and spectral algorithms
NG Sgourakis, M Merced-Serrano, C Boutsidis, P Drineas, Z Du, C Wang, ...
Journal of Molecular Biology 405 (2), 570-583, 2011
2462011
Unsupervised feature selection for the k-means clustering problem
C Boutsidis, MW Mahoney, P Drineas
Advances in Neural Information Processing Systems (NIPS), 2009
2222009
Random Projections for -means Clustering
C Boutsidis, A Zouzias, P Drineas
Arxiv preprint arXiv:1011.4632, 2010
2172010
Optimal CUR matrix decompositions
C Boutsidis, DP Woodruff
Proceedings of the forty-sixth annual ACM symposium on Theory of computing …, 2014
2162014
Unsupervised feature selection for principal components analysis
C Boutsidis, MW Mahoney, P Drineas
Proceeding of the 14th ACM SIGKDD international conference on Knowledge …, 2008
1772008
Optimal principal component analysis in distributed and streaming models
C Boutsidis, DP Woodruff, P Zhong
Proceedings of the forty-eighth annual ACM symposium on Theory of Computing …, 2016
1702016
Improved matrix algorithms via the subsampled randomized Hadamard transform
C Boutsidis, A Gittens
SIAM Journal on Matrix Analysis and Applications 34 (3), 1301-1340, 2013
1622013
Faster subset selection for matrices and applications
H Avron, C Boutsidis
SIAM Journal on Matrix Analysis and Applications 34 (4), 1464-1499, 2013
1242013
Random projections for linear support vector machines
S Paul, C Boutsidis, M Magdon-Ismail, P Drineas
ACM Transactions on Knowledge Discovery from Data (TKDD) 8 (4), 1-25, 2014
1142014
Spectral clustering via the power method-provably
C Boutsidis, P Kambadur, A Gittens
International conference on machine learning, 40-48, 2015
101*2015
Provable deterministic leverage score sampling
D Papailiopoulos, A Kyrillidis, C Boutsidis
Proceedings of the 20th ACM SIGKDD international conference on Knowledge …, 2014
1012014
Near-optimal coresets for least-squares regression
C Boutsidis, P Drineas, M Magdon-Ismail
IEEE transactions on information theory 59 (10), 6880-6892, 2013
952013
Random projections for the nonnegative least-squares problem
C Boutsidis, P Drineas
Linear Algebra and its Applications 431 (5-7), 760-771, 2009
942009
Online principal components analysis
C Boutsidis, D Garber, Z Karnin, E Liberty
Proceedings of the twenty-sixth annual ACM-SIAM symposium on Discrete …, 2014
892014
A randomized algorithm for approximating the log determinant of a symmetric positive definite matrix
C Boutsidis, P Drineas, P Kambadur, EM Kontopoulou, A Zouzias
Linear Algebra and its Applications 533, 95-117, 2017
842017
Deterministic Feature Selection for -means Clustering
C Boutsidis, M Magdon-Ismail
Arxiv preprint arXiv:1109.5664, 2011
832011
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