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Spectral Bounds for Sparse PCA: Exact and Greedy Algorithms.
Baback Moghaddam
Yair Weiss
Shai Avidan
Published in:
NIPS (2005)
Keyphrases
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greedy algorithms
sparse pca
greedy algorithm
worst case
upper bound
knapsack problem
lower bound
feature selection
direct optimization
machine learning
search algorithm
face recognition
semidefinite programming