FedQPL: A Language for Logical Query Plans over Heterogeneous Federations of RDF Data Sources (Extended Version).
Sijin ChengOlaf HartigPublished in: CoRR (2020)
Keyphrases
- data sources
- data integration
- query plan
- heterogeneous data
- heterogeneous data sources
- data model
- query optimization
- cost model
- linked data
- data warehouse
- databases
- data intensive
- query optimizer
- data sets
- structured data
- sparql queries
- query processing
- data exchange
- data warehousing
- schema mappings
- rdf data
- feature space
- query execution
- continuous queries
- database systems
- data analysis
- metadata
- response time
- data points
- semantic web