A difference-of-convex approach for split feasibility with applications to matrix factorizations and outlier detection.
Chen ChenTing Kei PongLulin TanLiaoyuan ZengPublished in: J. Glob. Optim. (2020)
Keyphrases
- outlier detection
- matrix factorization
- collaborative filtering
- data streams
- detection algorithm
- low rank
- credit card fraud detection
- fraud detection
- recommender systems
- missing data
- knowledge discovery
- negative matrix factorization
- density ratio estimation
- density estimation
- nonnegative matrix factorization
- detecting outliers
- data mining
- detect outliers
- convex optimization
- high dimensional datasets
- matrix multiplication
- change point detection
- data sets
- distance based outlier detection
- outlier mining
- document clustering
- real world