Ontology Mapping and SPARQL Rewriting for Querying Federated RDF Data Sources - (Short Paper).
Konstantinos MakrisNektarios GioldasisNikos BikakisStavros ChristodoulakisPublished in: OTM Conferences (2) (2010)
Keyphrases
- data sources
- ontology mapping
- rdf data
- data integration
- semantic web
- linked data
- sparql queries
- data model
- query rewriting
- rdf graphs
- query language
- semi automatic
- ontology integration
- databases
- data sharing
- semantic interoperability
- data integration systems
- information integration
- data warehouse
- data exchange
- information sources
- ontology matching
- structured data
- multiple data sources
- heterogeneous data
- conjunctive queries
- domain ontology
- deep web
- query answering
- heterogeneous data sources
- graph patterns
- schema mappings
- knowledge representation
- data sets
- regular path queries
- semantic heterogeneity
- digital libraries
- description logics
- database
- semantic relations
- semantic data
- query processing
- knowledge sources
- information retrieval
- web resources