Approach to Cold-Start Problem in Recommender Systems in the Context of Web-Based Education.
Reginaldo Aparecido GotardoEstevam Rafael Hruschka JuniorSérgio Donizetti ZorzoPublished in: ICMLA (2) (2013)
Keyphrases
- cold start problem
- recommender systems
- collaborative filtering
- web based education
- cold start
- user model
- data sparsity
- matrix factorization
- item based collaborative filtering
- user preferences
- contextual information
- prediction accuracy
- personalized recommendation
- e learning
- user profiles
- active learning
- website
- multimedia