Robust Contextual Outlier Detection: Where Context Meets Sparsity.
Jiongqian LiangSrinivasan ParthasarathyPublished in: CoRR (2016)
Keyphrases
- outlier detection
- contextual information
- parameter free
- knowledge discovery
- fraud detection
- density estimation
- detection algorithm
- credit card fraud detection
- detect outliers
- high dimensional datasets
- density ratio estimation
- data streams
- data mining
- signal processing
- spatio temporal
- learning algorithm
- machine learning
- databases