Keyphrases
- collaborative filtering
- recommender systems
- user preferences
- user ratings
- matrix factorization
- data sparsity
- recommendation quality
- collaborative filtering recommender systems
- recommendation systems
- collaborative filtering recommendation algorithm
- rating prediction
- collaborative filtering algorithms
- cold start problem
- deal with information overload
- personalized recommendation
- information filtering
- transfer learning
- demographic information
- neighbor selection
- pearson correlation coefficient
- user similarity
- item based collaborative filtering
- case study
- search engine
- information retrieval