L0-norm Constrained Autoencoders for Unsupervised Outlier Detection.
Yoshinao IshiiSatoshi KoideKeiichiro HayakawaPublished in: PAKDD (2) (2020)
Keyphrases
- outlier detection
- fraud detection
- detecting outliers
- denoising
- unsupervised learning
- density ratio estimation
- detection algorithm
- detect outliers
- data streams
- data mining
- knowledge discovery
- credit card fraud detection
- high dimensional datasets
- density estimation
- supervised learning
- data sets
- density based clustering
- database
- deep belief networks
- change point detection
- distance based outlier detection
- semi supervised