Scalable multi-query optimization for exploratory queries over federated scientific databases.
Anastasios KementsietsidisFrank NevenDieter Van de CraenStijn VansummerenPublished in: Proc. VLDB Endow. (2008)
Keyphrases
- query optimization
- scientific databases
- query processing
- queries involving
- semantic query optimization
- selectivity estimation
- query execution plan
- join queries
- query execution plans
- query plan
- cost model
- database systems
- query optimizers
- query scheduling
- efficient execution
- recursive queries
- efficient query processing
- approximate query answering
- database
- execution plan
- query processing and optimization
- scientific data
- complex queries
- cost estimation
- query rewriting
- multidatabase systems
- query execution
- sparql queries
- xml data
- query containment
- cardinality estimation
- databases
- query optimizer
- data management
- query evaluation
- range queries
- efficient processing
- database queries
- index structure
- user queries
- response time
- query language
- continuous queries
- relational database systems
- data sources
- multiple queries
- relational databases
- relational algebra
- transitive closure
- data warehouse