Contextual Unsupervised Outlier Detection in Sequences.
Mohamed A. ZahranLeonardo TeixeiraVinayak A. RaoBruno RibeiroPublished in: CoRR (2021)
Keyphrases
- outlier detection
- knowledge discovery
- detection algorithm
- fraud detection
- data streams
- density ratio estimation
- hidden markov models
- sequential data
- detect outliers
- unsupervised learning
- credit card fraud detection
- semi supervised
- detecting outliers
- high dimensional datasets
- density estimation
- distance based outlier detection
- density based clustering
- supervised learning
- database
- change point detection
- labeled data
- face recognition
- machine learning
- data mining