Supervised Nonnegative Matrix Factorization to Predict ICU Mortality Risk.
Guoqing ChaoChengsheng MaoFei WangYuan ZhaoYuan LuoPublished in: BIBM (2018)
Keyphrases
- nonnegative matrix factorization
- intensive care unit
- risk factors
- probabilistic latent semantic indexing
- data representation
- negative matrix factorization
- matrix factorization
- high risk
- least squares
- principal component analysis
- semi supervised
- nonnegative matrix
- spectral clustering
- intensive care
- risk management
- risk assessment
- learning algorithm
- unsupervised learning
- machine learning
- supervised learning
- document clustering
- clinical data
- data sets
- sparsity constraints
- objective function
- pattern recognition
- text mining
- medical data
- decision support system