Keyphrases
- collaborative filtering
- recommender systems
- matrix factorization
- making recommendations
- data sparsity
- recommendation systems
- neural network
- user preferences
- neighbor selection
- content based filtering
- information filtering
- user interests
- deal with information overload
- personalized recommendation
- user profiles
- expert systems
- evolutionary algorithm
- scaling factors
- multiscale
- online dating
- case study
- e learning
- pearson correlation coefficient
- artificial intelligence