A novel approach for graph-based global outlier detection in social networks.
Nabila ZriraSoufiana MekouarEl-Houssine BouyakhfPublished in: Int. J. Secur. Networks (2018)
Keyphrases
- outlier detection
- social networks
- mining and social network analysis
- detection algorithm
- fraud detection
- detecting outliers
- knowledge discovery
- density ratio estimation
- data streams
- credit card fraud detection
- density estimation
- data mining
- social network analysis
- high dimensional datasets
- three dimensional
- spatial outliers
- mixture model
- change point detection
- detect outliers
- least squares
- query processing
- databases