ERA-RJN: A SPARQL-Rank Based Top-k Join Query Optimization.
Zhengrong XiaoFengjiao ChenFangfang XuJinguang GuPublished in: JIST (2015)
Keyphrases
- query optimization
- query processing
- join operators
- sparql queries
- database systems
- cost model
- join queries
- cardinality estimation
- rdf data
- query execution
- query optimizers
- cost estimation
- multidatabase systems
- join processing
- query scheduling
- query evaluation
- relational database systems
- xml data
- query rewriting
- r tree
- big data
- join algorithms
- query engine
- continuous queries
- hash join
- data management
- query execution plans
- query optimizer
- query plan
- efficient processing
- index structure
- selectivity estimation
- query result
- execution plan
- complex queries
- linked data
- range queries
- aggregate queries
- recursive queries
- database management systems
- query execution plan
- semantic web
- query language