Understanding Rating Behaviour and Predicting Ratings by Identifying Representative Users.
Rahul KamathMasanao OchiYutaka MatsuoPublished in: PACLIC (2015)
Keyphrases
- collaborative filtering
- user ratings
- recommender systems
- active user
- collaborative filtering recommender systems
- rating prediction
- netflix prize
- user preferences
- collaborative filtering algorithms
- demographic information
- cold start
- personalized recommendation
- recommendation quality
- user interests
- user profiles
- product reviews
- reputation mechanisms
- behave differently
- product recommendation
- website
- cold start problem
- data sparsity
- recommendation algorithms
- daily life
- prediction accuracy
- user interface
- reputation systems
- recommendation systems
- user similarity
- matrix factorization
- user experience
- end users
- item based collaborative filtering
- information retrieval
- collaborative filtering recommendation algorithm