Similarity Kernels for Nearest Neighbor-Based Outlier Detection.
Ruben Ramirez-PadronDavid ForeggerJulie ManuelMichael GeorgiopoulosBoris MederosPublished in: IDA (2010)
Keyphrases
- outlier detection
- nearest neighbor
- distance function
- knowledge discovery
- fraud detection
- detection algorithm
- similarity measure
- detecting outliers
- high dimensional
- knn
- high dimensional data
- data points
- data streams
- high dimensional datasets
- detect outliers
- data mining
- distance measure
- kernel function
- euclidean distance
- credit card fraud detection
- density ratio estimation
- change point detection
- density estimation
- kernel methods
- feature space
- index structure
- support vector
- information retrieval
- databases
- data sets