A New Cross-Validation Technique to Evaluate Quality of Recommender Systems.
Dmitry I. IgnatovJonas PoelmansGuido DedeneStijn ViaenePublished in: PerMIn (2012)
Keyphrases
- cross validation
- recommender systems
- model selection
- training set
- hyperparameters
- support vector
- variable selection
- collaborative filtering
- error estimates
- regression problems
- cross validated
- generalization error
- regularization parameter
- unseen data
- nearest neighbor classifiers
- user profiles
- nearest neighbor
- prior information
- artificial neural networks
- training data
- machine learning