A Collaborative Filtering Framework Based on Both Local User Similarity and Global User Similarity.
Heng LuoChangyong NiuRuimin ShenCarsten UllrichPublished in: ECML/PKDD (1) (2008)
Keyphrases
- collaborative filtering
- user similarity
- pearson correlation coefficient
- recommender systems
- collaborative filtering algorithms
- recommendation systems
- matrix factorization
- social networks
- data sparsity
- personalized recommendation
- user preferences
- collaborative recommendation
- information filtering
- learning to rank
- active learning
- cold start problem
- multi agent systems
- similarity measure
- website