A relative patterns discovery for enhancing outlier detection in categorical data.
Hao-Ting PaiFan WuPei-Yun S. (Sabrina) HsuehPublished in: Decis. Support Syst. (2014)
Keyphrases
- outlier detection
- categorical data
- distance based outlier detection
- parameter free
- numerical data
- knowledge discovery
- density based clustering
- cluster analysis
- data mining
- pattern discovery
- attribute values
- fraud detection
- detecting outliers
- detection algorithm
- pattern mining
- data mining techniques
- data streams
- high dimensional datasets
- density estimation
- density ratio estimation
- detect outliers
- hierarchical latent class models
- frequent patterns
- bayesian networks
- feature extraction
- feature selection
- real world
- databases