Multi-Query Optimization in RDF Q/A System.
Jie JiaoShujun WangXiaowang ZhangZhiyong FengPublished in: ISWC (Satellites) (2019)
Keyphrases
- query optimization
- database systems
- sparql queries
- query processing
- cost model
- multidatabase systems
- cardinality estimation
- xml data
- data model
- query execution
- cost estimation
- query scheduling
- data placement
- relational data
- join queries
- approximate query answering
- query optimizer
- efficient execution
- selectivity estimation
- linked data
- semantic web
- database
- continuous queries
- data sources
- metadata
- databases