Multi-Hierarchy Attribute Relationship Mining Based Outlier Detection for Categorical Data.
Xiaoyu HuYijie WangLi ChengPublished in: IJCNN (2019)
Keyphrases
- outlier detection
- categorical data
- distance based outlier detection
- parameter free
- attribute values
- knowledge discovery
- outlier mining
- cluster analysis
- data mining
- numerical attributes
- numerical data
- categorical attributes
- density based clustering
- detection algorithm
- maximal frequent itemsets
- detect outliers
- data streams
- credit card fraud detection
- fraud detection
- density ratio estimation
- high dimensional datasets
- density estimation
- data mining techniques
- detecting outliers
- pattern mining
- text mining
- exploratory analysis
- frequent itemsets
- itemsets
- least squares
- object recognition
- information retrieval
- machine learning