From relation algebra to semi-join algebra: an approach for graph query optimization.
Jelle HellingsCatherine L. PilachowskiDirk Van GuchtMarc GyssensYuqing WuPublished in: DBPL (2017)
Keyphrases
- query optimization
- relation algebra
- expressive power
- database systems
- cost model
- formal logic
- query processing
- join operators
- cardinality estimation
- cost estimation
- multidatabase systems
- xml data
- query execution
- join queries
- graph model
- query execution plans
- query plan
- continuous queries
- query optimizers
- data model
- query language
- artificial intelligence
- hash join
- query scheduling
- execution plan
- query optimizer
- xml documents