Scalable KDE-based top-n local outlier detection over large-scale data streams.
Fang LiuYanwei YuPeng SongYangyang FanXiangrong TongPublished in: Knowl. Based Syst. (2020)
Keyphrases
- outlier detection
- data streams
- parameter free
- detecting outliers
- density estimation
- sliding window
- concept drift
- stream mining
- density ratio estimation
- high dimensional datasets
- fraud detection
- data sets
- streaming data
- limited memory
- real world
- detect outliers
- kernel density estimation
- credit card fraud detection
- knowledge discovery
- data stream mining
- data distribution
- distance based outlier detection
- query processing
- multi dimensional data
- video sequences
- database