Small synopses for group-by query verification on outsourced data streams.
Ke YiFeifei LiGraham CormodeMarios HadjieleftheriouGeorge KolliosDivesh SrivastavaPublished in: ACM Trans. Database Syst. (2009)
Keyphrases
- data streams
- multi dimensional data
- sliding window
- query evaluation
- approximate query processing
- database
- multi dimensional
- query processing
- sensor networks
- response time
- data distribution
- relevance feedback
- questions asked
- approximate answers
- selectivity estimation
- stream data
- database queries
- concept drift
- query optimization
- query execution
- data sets
- query expansion
- streaming data
- data structure
- range queries
- data retrieval
- aggregate queries
- data sources
- web search
- outlier detection
- third party
- user queries
- model checking
- retrieval systems
- query plan
- itemsets
- join queries
- information retrieval
- query language
- heavy hitters