Spatial categorical outlier detection: pair correlation function based approach.
Xutong LiuFeng ChenChang-Tien LuPublished in: GIS (2011)
Keyphrases
- outlier detection
- correlation function
- spatial outliers
- data streams
- high dimensional datasets
- knowledge discovery
- detecting outliers
- fraud detection
- detection algorithm
- spatial data
- fourier transform
- spatio temporal
- credit card fraud detection
- spatial information
- density ratio estimation
- density estimation
- categorical data
- spatial databases
- spatial distribution
- attribute values
- machine learning
- linear relationship
- computer vision
- spatial objects
- data mining
- detect outliers
- distance based outlier detection
- pairwise
- spatial patterns
- spatial relationships
- least squares
- pattern recognition