Efficient Processing of Top-k Queries in Uncertain Databases.
Ke YiFeifei LiGeorge KolliosDivesh SrivastavaPublished in: ICDE (2008)
Keyphrases
- efficient processing
- query processing
- uncertain databases
- uncertain data
- range queries
- skyline queries
- efficient implementation
- query types
- formal semantics
- database systems
- cost model
- data management
- twig queries
- index structure
- query evaluation
- join algorithms
- frequent itemset mining
- r tree
- query optimization
- similarity search
- relational database systems
- xml data
- databases
- user queries
- information extraction