Assessing the value of unrated items in collaborative filtering.
Jérôme KunegisAndreas LommatzschMartin MehlitzSahin AlbayrakPublished in: ICDIM (2007)
Keyphrases
- collaborative filtering
- recommender systems
- matrix factorization
- data sparsity
- user preferences
- pearson correlation coefficient
- recommendation systems
- case study
- user profiles
- user ratings
- neural network
- online dating
- demographic information
- deal with information overload
- web page recommendation
- making recommendations
- cold start problem
- personalized recommendation
- user behavior
- reinforcement learning
- metadata