Unsupervised Outlier Detection in Sensor Networks Using Aggregation Tree.
Kejia ZhangShengfei ShiHong GaoJianzhong LiPublished in: ADMA (2007)
Keyphrases
- outlier detection
- sensor networks
- data aggregation
- data streams
- aggregation queries
- wireless sensor networks
- reduce communication cost
- sensor data
- fraud detection
- environmental monitoring
- sensor nodes
- detection algorithm
- tree structure
- energy efficient
- underwater acoustic
- energy consumption
- communication cost
- high dimensional datasets
- density ratio estimation
- credit card fraud detection
- detect outliers
- resource constrained
- knowledge discovery
- detecting outliers
- density estimation
- unsupervised learning
- index structure
- communication bandwidth
- supervised learning
- semi supervised
- mobile sensor networks
- data mining
- outlier mining
- r tree
- sensor web
- distance based outlier detection
- real world
- data structure
- similarity measure