Trust-enhanced matrix factorization using PageRank for recommender system.
Jiawei LuYu GuoZhenqiang MiYang YangPublished in: CITS (2017)
Keyphrases
- matrix factorization
- recommender systems
- collaborative filtering
- trust propagation
- rating prediction
- low rank
- cold start problem
- data sparsity
- user preferences
- factorization methods
- random walk
- implicit feedback
- user profiles
- nonnegative matrix factorization
- variational bayesian
- recommendation quality
- ranking algorithm
- negative matrix factorization
- factor analysis
- trust model
- web search
- tensor factorization
- cold start
- item recommendation
- personalized ranking
- probabilistic matrix factorization
- recommendation systems
- personalized recommendation
- recommendation algorithms
- stochastic gradient descent
- user ratings
- binary matrix
- user interests
- user feedback
- principal component analysis
- high dimensional