Collaborative Topic Regression with Social Matrix Factorization for Recommendation Systems.
Sanjay PurushothamYan LiuPublished in: ICML (2012)
Keyphrases
- matrix factorization
- recommendation systems
- collaborative filtering
- social recommendation
- recommender systems
- low rank
- user preferences
- user interests
- factorization methods
- recommendation quality
- nonnegative matrix factorization
- negative matrix factorization
- recommendation algorithms
- data sparsity
- social interaction
- social networks
- factor analysis
- support vector
- gaussian processes
- implicit feedback
- tensor factorization
- user generated
- tag recommendation
- probabilistic matrix factorization
- item recommendation
- social media
- web search
- personalized recommendation
- user generated content
- social networking
- information retrieval
- user ratings
- user profiles
- user behavior
- learning to rank
- feature selection
- user feedback