Discovery of user-item subgroups via genetic algorithm for effective prediction of ratings in collaborative filtering.
Ayangleima LaishramVineet PadmanabhanPublished in: Appl. Intell. (2019)
Keyphrases
- collaborative filtering
- genetic algorithm
- recommender systems
- matrix factorization
- prediction accuracy
- user preferences
- user ratings
- data sparsity
- rating prediction
- prediction model
- prediction algorithm
- collaborative filtering algorithms
- simulated annealing
- user profiles
- multi objective
- fitness function
- evolutionary algorithm
- personalized recommendation
- pearson correlation coefficient
- netflix prize
- rating matrix