Information mediators Carlos R. Rivero

Roadmap Introduction Vocabulary Proposal Conclusions

Enterprise Info. Integration Flight Travel Hotel

Data Translation Source Target Flight Travel Hotel Source Data Target Data

Mediator Source Target Flight Travel Hotel Source Data Target Data

Query Mappings Source Target Flight Travel Hotel Source Data INSERT INTO TargetData … SELECT … FROM SourceData WHERE … Hotel Source Data Target Data Query Engine

Roadmap Introduction Vocabulary Proposal Conclusions

Hotel, Flight, Travel Flight Travel Hotel

Source and target ontologies

Correspondences

Correspondences

Correspondences

Restrictions

Restrictions

Restrictions

All

Mapping

Query Mapping CONSTRUCT { ?travel rdf:type tgt:Travel . … WHERE { ?fb rdf:type src:FlightBooking .

Data Translation

Roadmap Introduction Vocabulary Proposal Conclusions

Algorithm

Validation 11 scenarios Ontology Evolution Information Integration

Performance 23 parameterised scenarios

Roadmap Introduction Vocabulary Proposal Conclusions

Conclusions It is possible to automatically generate a tractable set of query mappings Current technology support data translation by means of query mappings

THANKS!