基于用户聚类和移动上下文的矩阵分解推荐算法研究 (Study on Matrix Factorization Recommendation Algorithm Based on User Clustering and Mobile Context).
Junhao WenGuanghui SunShun LiPublished in: 计算机科学 (2018)
Keyphrases
- matrix factorization
- collaborative filtering
- recommender systems
- recommendation algorithms
- user preferences
- item recommendation
- recommendation systems
- cold start problem
- clustering algorithm
- nonnegative matrix factorization
- missing data
- user model
- user interaction
- user profiles
- recommendation quality
- low rank
- cold start
- data sparsity
- implicit feedback
- context aware
- negative matrix factorization
- filtering algorithm
- least squares
- user interface
- probabilistic matrix factorization
- information overload
- user interests
- user behavior
- clustering method
- mobile devices
- multiscale