Graph autoencoder-based unsupervised outlier detection.
Xusheng DuJiong YuZheng ChuLina JinJiaying ChenPublished in: Inf. Sci. (2022)
Keyphrases
- outlier detection
- fraud detection
- detection algorithm
- knowledge discovery
- detecting outliers
- density ratio estimation
- density estimation
- data mining
- unsupervised learning
- data streams
- detect outliers
- credit card fraud detection
- semi supervised
- high dimensional datasets
- supervised learning
- density based clustering
- restricted boltzmann machine
- face recognition
- feature selection
- information retrieval