Improving sparsity and new user problems in collaborative filtering by clustering the personality factors.
Zahra Yusefi HafshejaniMarjan KaediAfsaneh FatemiPublished in: Electron. Commer. Res. (2018)
Keyphrases
- collaborative filtering
- data sparsity
- recommender systems
- cold start problem
- clustering algorithm
- user preferences
- high dimensionality
- evolutionary algorithm
- recommendation quality
- data sets
- user ratings
- user interests
- self organizing maps
- unsupervised learning
- sparse representation
- cluster analysis
- user interface
- matrix factorization
- user profiles
- high dimensional
- web search
- tensor factorization
- data points