Improving Recommender Systems by Incorporating Social Contextual Information.
Hao MaTom Chao ZhouMichael R. LyuIrwin KingPublished in: ACM Trans. Inf. Syst. (2011)
Keyphrases
- contextual information
- recommender systems
- social context
- contextual knowledge
- context aware
- user context
- implicit feedback
- collaborative filtering
- contextual factors
- trust aware
- social interaction
- social media
- high level
- social networks
- spatial context
- user profiling
- context aware recommendation
- matrix factorization
- user preferences
- user modeling
- information overload
- user profiles
- rating prediction
- contextual constraints
- hidden markov models
- recommendation algorithms
- global information
- contextual features
- probabilistic model