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Role Mining Using Boolean Matrix Decomposition with Hierarchy.
Wei Ye
Ruixuan Li
Huaqing Li
Published in:
TrustCom/ISPA/IUCC (2013)
Keyphrases
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matrix decomposition
low rank
data summarization
data mining
nonnegative matrix factorization
feature space
knowledge discovery
text mining
data mining techniques
low rank matrix
singular values
real valued
singular value decomposition
collaborative filtering
semi supervised
pairwise
information retrieval