Evaluation of Expert-Based Q-Matrices Predictive Quality in Matrix Factorization Models.
Guillaume DurandNabil BelacelCyril GouttePublished in: EC-TEL (2015)
Keyphrases
- matrix factorization
- data matrix
- factorization methods
- low rank
- probabilistic matrix factorization
- factor analysis
- low rank matrix
- variational bayesian
- tensor factorization
- probabilistic model
- factor matrices
- stochastic gradient descent
- recommender systems
- data sparsity
- latent factor models
- exponential family
- negative matrix factorization
- collaborative filtering