Collaborative Topic Regression with Social Matrix Factorization for Recommendation Systems
Sanjay PurushothamYan LiuC.-C. Jay KuoPublished in: CoRR (2012)
Keyphrases
- matrix factorization
- recommendation systems
- collaborative filtering
- social recommendation
- recommender systems
- low rank
- recommendation algorithms
- user interests
- user preferences
- data sparsity
- recommendation quality
- negative matrix factorization
- social networks
- nonnegative matrix factorization
- user generated
- factor analysis
- topic models
- social interaction
- personalized recommendation
- probabilistic matrix factorization
- learning to rank
- factorization methods
- social media
- transfer learning
- missing data
- gaussian processes
- implicit feedback
- support vector
- item recommendation
- information retrieval systems
- active learning
- tensor factorization
- user behavior
- search engine