Improvement of collaborative filtering using rating normalization.
Soo-Cheol KimKyoung-Jun SungChan-Soo ParkSung Kwon KimPublished in: Multim. Tools Appl. (2016)
Keyphrases
- collaborative filtering
- recommender systems
- matrix factorization
- data sparsity
- user preferences
- recommendation quality
- rating prediction
- user ratings
- recommendation systems
- personalized recommendation
- preprocessing
- pearson correlation coefficient
- user profiles
- rating matrix
- transfer learning
- feature selection
- collaborative filtering recommendation algorithm
- data sets
- cold start
- netflix prize
- active user
- probabilistic matrix factorization
- implicit feedback
- user item rating
- making recommendations
- collaborative filtering algorithms
- information filtering
- decision trees
- neural network
- databases