Weighted Matrix Factorization with Wilson Lower Bound Score.
Hongxi HuangYuxing WeiXiaopeng YuanRuiqi ZhengPublished in: APIT (2023)
Keyphrases
- matrix factorization
- lower bound
- upper bound
- collaborative filtering
- recommender systems
- negative matrix factorization
- factorization methods
- low rank
- worst case
- missing data
- factor analysis
- variational bayesian
- stochastic gradient descent
- objective function
- personalized ranking
- implicit feedback
- optimal solution
- data matrix
- nonnegative matrix factorization
- probabilistic matrix factorization
- item recommendation
- factorization method
- tensor factorization
- data sets