Optimizing Multi-Top-k Queries over Uncertain Data Streams.
Tao ChenLei ChenM. Tamer ÖzsuNong XiaoPublished in: IEEE Trans. Knowl. Data Eng. (2013)
Keyphrases
- uncertain data streams
- uncertain data
- query processing
- space efficient
- data streams
- query language
- response time
- range queries
- result set
- query evaluation
- efficient processing
- cost model
- data sources
- query result
- user defined
- database queries
- complex queries
- aggregation queries
- database
- skyline queries
- data sets
- data structure
- retrieval systems
- query optimization
- web search engines
- index structure
- data management
- multi dimensional
- aggregate queries
- web search
- search engine