融合信任关系和有用性评价的矩阵分解推荐方法 (Using Social Trust Relationship and Helpfullness Ratings for Recommendation Based on Matrix Factorization).
An ZengXiaoqiang XuPublished in: 计算机科学 (2017)
Keyphrases
- matrix factorization
- trust relationships
- collaborative filtering
- rating prediction
- recommender systems
- cold start problem
- item recommendation
- access control
- trust model
- low rank
- latent factor models
- identity management
- multi party
- data exchange
- implicit feedback
- data sparsity
- factorization methods
- negative matrix factorization
- nonnegative matrix factorization
- factor analysis
- stochastic gradient descent
- ad hoc networks
- user ratings
- social networks
- user preferences
- social interaction
- cold start
- tensor factorization
- personalized recommendation
- user profiles
- recommendation algorithms
- social media
- probabilistic matrix factorization
- recommendation systems
- multiagent systems
- response time