Keyphrases
- collaborative filtering
- recommender systems
- matrix factorization
- data sparsity
- user preferences
- robot soccer
- online dating
- cold start problem
- information filtering
- personalized recommendation
- data sets
- web page recommendation
- database
- recommendation systems
- maximum margin matrix factorization
- pearson correlation coefficient
- user interests
- user interaction
- information systems
- search engine
- user ratings
- cold start
- multiscale
- content based filtering
- case study
- neighbor selection
- clustering algorithm
- collaborative filtering recommendation
- deal with information overload