A Scalable and Efficient Outlier Detection Strategy for Categorical Data.
Anna KoufakouEnrique G. OrtizMichael GeorgiopoulosGeorgios C. AnagnostopoulosKenneth M. ReynoldsPublished in: ICTAI (2) (2007)
Keyphrases
- distance based outlier detection
- outlier detection
- categorical data
- parameter free
- cluster analysis
- density based clustering
- numerical data
- knowledge discovery
- fraud detection
- detection algorithm
- credit card fraud detection
- detecting outliers
- data streams
- density ratio estimation
- machine learning
- high dimensional datasets
- data mining
- detect outliers
- outlier mining
- databases
- database
- attribute values
- anomaly detection
- pattern recognition