Global Top-k Aggregate Queries Based on X-tuple in Uncertain Database.
Dexi LiuChangxuan WanNaixue XiongJong Hyuk ParkSang-Soo YeoPublished in: AINA Workshops (2010)
Keyphrases
- aggregate queries
- database
- probabilistic xml
- query processing
- databases
- database systems
- data cube
- approximate answers
- data management
- relational databases
- database management systems
- aggregation functions
- query answers
- uncertain data streams
- uncertain data
- data sets
- efficient computation
- incomplete information
- sum queries