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Parallelization of the Hierarchical Alternating Least Squares Algorithm for Nonnegative Matrix Factorization.
Markus Flatz
Rade Kutil
Marián Vajtersic
Published in:
RTSI (2018)
Keyphrases
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nonnegative matrix factorization
alternating least squares
negative matrix factorization
data representation
learning algorithm
objective function
k means
least squares
convergence rate
information retrieval
multiscale
probabilistic model
data clustering
spectral clustering