Towards Query Processing over Heterogeneous Federations of RDF Data Sources.
Sijin ChengOlaf HartigPublished in: ESWC (Satellite Events) (2022)
Keyphrases
- data sources
- query processing
- heterogeneous sources
- heterogeneous data
- multidatabase environment
- distributed data sources
- distributed heterogeneous
- heterogeneous data sources
- data integration
- rdf data
- linked data
- data model
- information integration
- materialized views
- disparate data sources
- data warehouse
- database systems
- databases
- information sources
- query optimization
- query execution plans
- structured data
- data management
- xml data
- semantically heterogeneous
- multi source
- integrating heterogeneous
- multiple sources
- cost model
- database query processing
- semantic relationships
- r tree
- query evaluation
- query decomposition
- deep web
- semantic web
- query execution
- inverted index
- sparql queries
- query engine
- data integration systems
- data repositories
- join algorithms
- data sets
- index structure
- range queries
- domain ontology