Meta-Path and Matrix Factorization Based Shilling Detection for Collaborate Filtering.
Xin ZhangHong XiangYuqi SongPublished in: CollaborateCom (2018)
Keyphrases
- matrix factorization
- data sparsity
- collaborative filtering
- low rank
- recommender systems
- missing data
- factorization methods
- negative matrix factorization
- factor analysis
- variational bayesian
- nonnegative matrix factorization
- item recommendation
- data matrix
- tensor factorization
- stochastic gradient descent
- factorization method
- personalized ranking
- object recognition
- probabilistic matrix factorization
- implicit feedback
- high order
- signal processing