BigDAWG polystore query optimization through semantic equivalences.
Zuohao SheSurabhi RavishankarJennie DugganPublished in: HPEC (2016)
Keyphrases
- query optimization
- database systems
- cost model
- query processing
- multidatabase systems
- cost estimation
- query execution
- cardinality estimation
- query scheduling
- xml data
- continuous queries
- query optimizer
- selectivity estimation
- query execution plans
- semantic query optimization
- recursive queries
- data placement
- query plan
- semantic web
- management system
- relational algebra
- query optimizers
- approximate query answering
- xml documents