Erratum: Flexible Querying for SPARQL.
Andrea CalìRiccardo FrosiniAlexandra PoulovassilisPeter T. WoodPublished in: OTM Conferences (2014)
Keyphrases
- flexible querying
- data model
- query language
- rdf data
- object oriented
- database management systems
- data integration
- database systems
- data types
- relational model
- data modeling
- spatio temporal databases
- database
- relational algebra
- sparql queries
- semantic web
- databases
- data sources
- xml documents
- linked data
- object oriented databases