Improving Predictions with an Ensemble of Linguistic Approach and Matrix Factorization.
Manuela AngioniMaria Laura ClementeFranco TuveriPublished in: WEBIST (Revised Selected Papers) (2015)
Keyphrases
- matrix factorization
- collaborative filtering
- missing data
- low rank
- recommender systems
- nonnegative matrix factorization
- data sparsity
- factorization methods
- factor analysis
- negative matrix factorization
- stochastic gradient descent
- variational bayesian
- tensor factorization
- probabilistic matrix factorization
- data matrix
- ensemble methods
- user ratings
- implicit feedback
- random forests
- random forest
- factorization method
- natural language processing
- training set
- feature selection