Keyphrases
- stochastic gradient descent
- matrix factorization
- latent factor models
- collaborative filtering
- least squares
- loss function
- pid controller
- step size
- recommender systems
- proportional integral derivative
- missing data
- particle swarm optimization
- negative matrix factorization
- regularization parameter
- support vector machine
- topic models
- control scheme
- factor analysis
- nonnegative matrix factorization
- image segmentation
- neural network
- image restoration
- markov chain
- evolutionary algorithm