Keyphrases
- distance function
- latent factor models
- recommender systems
- collaborative filtering
- matrix factorization
- similarity search
- nonnegative matrix factorization
- nearest neighbor
- knn
- distance measure
- data points
- objective function
- user preferences
- user profiles
- latent factors
- k nearest neighbor
- least squares
- query processing
- user interests
- negative matrix factorization
- pattern recognition
- information retrieval