Summary

Mediation bridges Applications and Sources
Mediator technology transforms data to information by applying an expert’s knowledge
Information is abstracted from data view integration
View objects can be populated from relational DBs
Mediation permits incremental system growth (nlogn)
Mediatiors contain many domain-specific objects
A consistent domain has a common ontology
Composing domain ontologies requires an algebra
Mediators provide a service-model on the networks