Selectivity Estimation of Correlated Properties in RDF Data for SPARQL Query Optimization.
Bin LvXiaoyong DuYan WangPublished in: SKG (2009)
Keyphrases
- query optimization
- selectivity estimation
- sparql queries
- rdf data
- query processing
- cost model
- database systems
- cardinality estimation
- approximate query answering
- xml data
- query execution
- query language
- semantic web
- data model
- linked data
- storage and retrieval
- query plan
- index structure
- web resources
- graph patterns
- similarity search
- query evaluation
- database
- high dimensional
- aggregate queries
- user queries