Similarity of users' (content-based) preference models for Collaborative filtering in few ratings scenario.
Alan EckhardtPublished in: Expert Syst. Appl. (2012)
Keyphrases
- collaborative filtering
- content based filtering
- user similarity
- user preferences
- preference models
- recommender systems
- pearson correlation coefficient
- music recommendation
- user ratings
- data sparsity
- recommendation systems
- information filtering
- cold start problem
- user profiles
- matrix factorization
- active user
- cold start
- personalized recommendation
- collaborative filtering algorithms
- product recommendation
- recommendation algorithms
- implicit feedback
- user interests
- demographic information
- making recommendations
- deal with information overload
- netflix prize
- user feedback
- rating prediction
- special case
- collaborative filtering recommender systems
- multi attribute
- np hard
- objective function
- similarity measure