Contextual bandit algorithm for risk-aware recommender systems.
Djallel BouneffoufPublished in: CEC (2016)
Keyphrases
- recommender systems
- contextual bandit
- optimal solution
- computational complexity
- search space
- cost function
- upper confidence bound
- preprocessing
- k means
- learning algorithm
- worst case
- dynamic programming
- clustering method
- detection algorithm
- objective function
- simulated annealing
- collaborative filtering
- user profiles
- topic models
- np hard