Leveraging aggregate ratings for improving predictive performance of recommender systems.
Akhmed UmyarovPublished in: RecSys (2008)
Keyphrases
- recommender systems
- collaborative filtering
- cold start problem
- netflix prize
- user preferences
- cold start
- personalized recommendation
- product recommendation
- user ratings
- collaborative filtering recommender systems
- recommendation algorithms
- implicit feedback
- active user
- collaborative filtering algorithms
- information filtering
- matrix factorization
- user profiles
- rating prediction
- recommendation systems
- item based collaborative filtering
- recommendation quality
- predictive model
- trust aware
- latent factor models
- item recommendation
- user profiling
- collaborative recommendation
- data sparsity
- database
- user modeling
- neural network
- data sets