Constrained Matrix Factorization for Course Score Prediction.
Shi-Ting ZhongLing HuangChang-Dong WangJian-Huang LaiPublished in: ICDM (2019)
Keyphrases
- matrix factorization
- collaborative filtering
- low rank
- recommender systems
- prediction accuracy
- factorization methods
- missing data
- factor analysis
- negative matrix factorization
- data sparsity
- low rank matrix
- nonnegative matrix factorization
- factorization method
- probabilistic matrix factorization
- personalized ranking
- variational bayesian
- implicit feedback
- tensor factorization
- stochastic gradient descent
- loss function
- binary matrix
- item recommendation
- linear combination
- object recognition