Searching for Unknown Anomalies in Hierarchical Data Streams.
Tomer GafniKobi CohenQing ZhaoPublished in: IEEE Signal Process. Lett. (2021)
Keyphrases
- data streams
- anomaly detection
- sliding window
- streaming data
- concept drift
- stream data
- hierarchical structure
- change detection
- continuous data streams
- outlier detection
- data distribution
- evolving data streams
- data stream mining
- data sets
- mining data streams
- data streaming
- anomalous behavior
- reservoir sampling
- coarse to fine
- continuous queries
- search strategies
- search algorithm
- data structure
- neural network