Accelerated Stochastic Gradient for Nonnegative Tensor Completion and Parallel Implementation.
Ioanna SiaminouIoannis Marios PapagiannakosChristos KolomvakisAthanasios P. LiavasPublished in: EUSIPCO (2021)
Keyphrases
- parallel implementation
- stochastic gradient
- tensor factorization
- stochastic gradient descent
- matrix factorization
- parallel implementations
- parallel computers
- nonnegative matrix factorization
- higher order
- nearest neighbor classifier
- grassmann manifold
- collaborative filtering
- step size
- machine learning
- least squares
- objective function
- diffusion tensor
- similarity measure
- decision trees