Considering Vocabulary Mappings in Query Plans for Federations of RDF Data Sources.
Sijin ChengSebastián FerradaOlaf HartigPublished in: CoopIS (2023)
Keyphrases
- data sources
- query plan
- data integration
- data integration systems
- schema mappings
- linked data
- data model
- query optimization
- data exchange
- data warehouse
- cost model
- query execution
- query answering
- databases
- rdf data
- structured data
- query processing
- sparql queries
- query optimizer
- join queries
- database
- database schema
- data intensive
- data warehousing
- optimal plans
- data sets
- deep web
- data distribution
- heterogeneous data sources
- continuous queries
- keywords
- xml schema