Unsupervised Feature
Selection for the K-means Clustering Problem
C. Boutsidis, M.W. Mahoney and P. Drineas
Conference on Neural Information
Processing Systems (NIPS), December 2009. [pdf]
An Improved Approximation Algorithm for the Column Subset Selection
Problem
C. Boutsidis, M.W. Mahoney and P. Drineas
ACM-SIAM Symposium on Discrete Algorithms (SODA), January 2009 [pdf]
Journal Version submitted for review, Technical report arXiv:0812.4293v1, 2008 [pdf]
Unsupervised Feature Selection for Principal Components Analysis
C. Boutsidis, M.W. Mahoney and P. Drineas
ACM SIGKDD International
Conference on Knowledge Discovery and Data Mining (KDD),
August 2008 [pdf]
Random Projections for the Nonnegative Least Squares
Problem
C. Boutsidis and P. Drineas
Linear Algebra and its Applications 431
(2009), pp. 760-771.
[pdf]
Clustered Subset Selection and its Applications on IT Service Metrics
C. Boutsidis, J. Sun and N. Anerousis
ACM Conference on Information and Knowledge Management (CIKM),
October 2008
[pdf]
SVD-based initialization: A head start on nonnegative matrix factorization
C. Boutsidis and E. Gallopoulos
Pattern Recognition,
Volume 41, Issue 4, Pages 1350-1362, April 2008
[pdf]