Exploring High-Dimensional Outlier Detection: A Comprehensive Study on Methods and Applications Using PCA and k-NN Algorithm.
Wasan Abd MajeedMurtadha M. HamadPublished in: SSD (2024)
Keyphrases
- outlier detection
- knn
- detection algorithm
- high dimensional datasets
- high dimensional
- k nearest neighbor
- k means
- nearest neighbor
- graph construction
- distance function
- expectation maximization
- outlier mining
- text categorization
- k nearest neighbour
- data mining
- credit card fraud detection
- low dimensional
- multi dimensional
- dimensionality reduction
- nearest neighbor algorithm
- similarity search
- k nearest
- data clustering
- spectral clustering
- density estimation
- nearest neighbour
- detecting outliers
- distance based outlier detection
- high dimensional data
- cost sensitive
- distance metric
- principal component analysis
- data points
- feature space
- clustering algorithm
- learning algorithm
- information retrieval