Leveraging aggregate ratings for better recommendations.
Akhmed UmyarovAlexander TuzhilinPublished in: RecSys (2007)
Keyphrases
- collaborative filtering
- user preferences
- recommender systems
- user ratings
- making recommendations
- cold start
- cold start problem
- collaborative filtering algorithms
- personalized recommendation
- recommendation algorithms
- demographic information
- active user
- rating prediction
- latent factor models
- product recommendation
- netflix prize
- collaborative filtering recommender systems
- explicit feedback
- collaborative recommendation
- reputation systems
- data sparsity
- social networks
- machine learning
- online reviews
- sentiment analysis
- data mining
- real world
- data sets