Keyphrases
- collaborative filtering
- experimental evaluation
- dynamic programming
- prior information
- learning algorithm
- computational cost
- recommendation algorithms
- recommender systems
- detection algorithm
- cost function
- convergence rate
- final result
- optimal solution
- probabilistic model
- worst case
- times faster
- user preferences
- gradient information
- keywords
- matching algorithm
- information sources
- np hard
- preprocessing
- user profiles
- user interaction
- matrix factorization
- recommendation systems
- computational complexity
- objective function
- making recommendations
- collaborative filtering recommendation algorithm