Combining Trust Propagation and Topic-Level User Interest Expansion in Recommender Systems.
Zukun YuWilliam Wei SongXiaolin ZhengDeren ChenPublished in: Int. J. Web Serv. Res. (2016)
Keyphrases
- user interests
- recommender systems
- trust propagation
- collaborative filtering
- user profiles
- user model
- personalized recommendation
- user profiling
- user generated
- web personalization
- user preferences
- information overload
- user modeling
- information filtering
- user feedback
- higher level
- matrix factorization
- user behavior
- data sparsity
- machine learning
- trust aware
- cold start problem
- levels of abstraction
- recommendation systems
- implicit feedback