Keyphrases
- collaborative filtering
- learning to rank
- recommender systems
- maximum margin matrix factorization
- implicit feedback
- matrix factorization
- recent advances
- ranking functions
- ranking algorithm
- web search
- data sparsity
- user preferences
- user specific
- personalized recommendation
- information retrieval
- recommendation quality
- product recommendation
- rank aggregation
- user interests
- cold start problem
- user feedback
- making recommendations
- probabilistic matrix factorization
- cold start
- ranked list
- neural network