Parallelization of the Hierarchical Alternating Least Squares Algorithm for Nonnegative Matrix Factorization.

Markus Flatz Rade Kutil Marián Vajtersic

Published in: RTSI (2018)

Keyphrases

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