Keyphrases
- outlier detection
- voronoi diagram
- fraud detection
- knowledge discovery
- detection algorithm
- medial axis
- data streams
- density ratio estimation
- density estimation
- detecting outliers
- road network
- data mining
- convex hull
- quadtree
- detect outliers
- distance based outlier detection
- distance function
- high dimensional
- decision trees
- databases
- metric space
- dimensionality reduction
- least squares
- optimal path
- spatial outliers