Supporting Top-K Aggregate Queries over Unequal Synopsis on Internet Traffic Streams.
Ling WangYang Koo LeeKeun Ho RyuPublished in: APWeb (2008)
Keyphrases
- aggregate queries
- approximate answers
- internet traffic
- probabilistic xml
- query processing
- approximate query answering
- data streams
- network traffic
- data cube
- efficient computation
- sliding window
- file sharing
- probabilistic databases
- query answers
- aggregation functions
- database
- aggregate functions
- ip traffic
- uncertain data
- xml data
- data structure
- selectivity estimation
- continuous data
- data distribution
- query optimization
- index structure
- intrusion detection
- anomaly detection
- data mining