TagiCoFi: tag informed collaborative filtering.
Yi ZhenWu-Jun LiDit-Yan YeungPublished in: RecSys (2009)
Keyphrases
- collaborative filtering
- social tagging systems
- user based collaborative filtering
- recommender systems
- matrix factorization
- data sparsity
- user preferences
- recommendation systems
- keywords
- web page recommendation
- collaborative tagging
- tag recommendation
- user profiles
- collaborative tagging systems
- pearson correlation coefficient
- probabilistic matrix factorization
- user ratings
- personalized recommendation
- social tagging
- cold start problem
- social tags
- collaborative filtering recommendation
- relevance feedback
- collaborative filtering algorithms
- user contributed
- probabilistic model
- similarity measure