Optimizing SPARQL Queries over Disparate RDF Data Sources through Distributed Semi-Joins.
Jan ZemánekSimon SchenkPublished in: ISWC (Posters & Demos) (2008)
Keyphrases
- data sources
- sparql queries
- rdf data
- query optimization
- heterogeneous data sources
- data model
- linked data
- sql queries
- data integration
- query language
- distributed systems
- databases
- relational algebra
- distributed environment
- query evaluation
- query formulation
- rdf graphs
- semantic web
- data warehouse
- structured data
- storage and retrieval
- graph model
- cost model
- query plan
- query processing
- graph patterns
- data structure
- materialized views
- multi dimensional
- query execution
- relational database systems
- database systems
- data sets