Hierarchical Subtask Discovery With Non-Negative Matrix Factorization.

Adam Christopher Earle Andrew M. Saxe Benjamin Rosman

Published in: CoRR (2017)

Keyphrases

negative matrix factorization
nonnegative matrix factorization
document clustering
matrix factorization
sparse representation
spectral clustering
principal component analysis
constrained least squares
tensor factorization
update rule
data mining
machine learning
digital libraries