Scalable Multi-query Optimization for SPARQL.
Wangchao LeAnastasios KementsietsidisSongyun DuanFeifei LiPublished in: ICDE (2012)
Keyphrases
- query optimization
- database systems
- cost model
- sparql queries
- query processing
- cost estimation
- cardinality estimation
- multidatabase systems
- query optimizer
- query execution
- xml data
- query scheduling
- query rewriting
- data placement
- continuous queries
- join queries
- execution plan
- data management
- approximate query answering
- selectivity estimation
- integrity constraints
- recursive queries
- query execution plan