Context-Aware Collaborative Topic Regression with Social Matrix Factorization for Recommender Systems.
Chaochao ChenXiaolin ZhengYan WangFuxing HongZhen LinPublished in: AAAI (2014)
Keyphrases
- context aware
- matrix factorization
- recommender systems
- collaborative filtering
- rating prediction
- contextual information
- context awareness
- user interests
- user generated content
- ubiquitous computing
- mobile devices
- low rank
- user generated
- negative matrix factorization
- factorization methods
- data sparsity
- ambient intelligence
- nonnegative matrix factorization
- cold start problem
- context aware systems
- user preferences
- item recommendation
- factor analysis
- recommendation systems
- social interaction
- probabilistic matrix factorization
- social media
- recommendation quality
- user context
- implicit feedback
- smart spaces
- social networks
- latent dirichlet allocation
- recommendation algorithms
- user feedback
- personalized recommendation
- user profiling
- mobile users
- missing data
- tensor factorization
- context aware services
- user modeling
- user profiles
- information overload
- multi user
- smart home
- personalized services
- current context