A genetic algorithms-based hybrid recommender system of matrix factorization and neighborhood-based techniques.
Yousef KilaniAhmed Fawzi OtoomAyoub AlsarhanManal AlMaayahPublished in: J. Comput. Sci. (2018)
Keyphrases
- matrix factorization
- collaborative filtering
- genetic algorithm
- recommender systems
- low rank
- factorization methods
- negative matrix factorization
- personalized ranking
- variational bayesian
- data sparsity
- factor analysis
- nonnegative matrix factorization
- data matrix
- missing data
- stochastic gradient descent
- implicit feedback
- tensor factorization
- user preferences
- factor matrices
- data sets
- cluster analysis
- user ratings
- high dimensional
- item recommendation