Causality Join Query Processing for Data Streams via a Spatiotemporal Sliding Window.
Oje KwonKi-Joune LiPublished in: J. Univers. Comput. Sci. (2009)
Keyphrases
- sliding window
- query processing
- data streams
- join algorithms
- query optimization
- stream data
- continuous queries
- join queries
- streaming data
- database systems
- cost model
- query execution
- query plan
- efficient processing
- join operator
- similarity search
- window size
- r tree
- space efficient
- query engine
- data distribution
- range queries
- change detection
- data management
- limited memory
- index structure
- concept drift
- data sets
- relational database systems
- fixed size
- sensor data
- window sizes
- sensor networks
- stream mining
- closed frequent itemsets
- stream processing
- xml data
- variable size
- high speed data streams
- mining frequent itemsets
- materialized views
- similarity measure
- itemsets
- response time