Fedra: Query Processing for SPARQL Federations with Divergence.
Gabriela MontoyaHala Skaf-MolliPascal MolliMaria-Esther VidalPublished in: CoRR (2014)
Keyphrases
- query processing
- rdf data
- query optimization
- sparql queries
- query engine
- database systems
- query evaluation
- cost model
- data model
- query language
- processing queries
- index structure
- xml data
- semantic web
- aggregate queries
- data management
- relational database systems
- r tree
- efficient processing
- user queries
- join queries
- storage and retrieval
- multidatabase environment
- kullback leibler
- linked data
- similarity search
- query formulation
- query execution
- multi dimensional
- graph model
- graph patterns
- materialized views
- relational algebra
- range queries
- join processing
- database management systems