Efficient SPARQL Query Evaluation in a Database Cluster.
Fang DuHaoqiong BianYueguo ChenXiaoyong DuPublished in: BigData Congress (2013)
Keyphrases
- query evaluation
- query language
- efficient query evaluation
- database
- data management
- data model
- conjunctive queries
- query processing
- query engine
- sparql queries
- deductive databases
- data complexity
- null values
- xml data
- transitive closure
- databases
- signature file
- expressive power
- query answers
- twig queries
- database systems
- probabilistic databases
- querying xml documents
- query optimization
- database management systems
- data sets
- rdf data
- regular expressions
- data integration
- data mining
- xpath queries
- query rewriting
- similarity search
- xml documents
- relational databases
- tree pattern queries