Model-based Mediation with Domain Maps
نویسندگان
چکیده
ion Hierarchy of the Genome Database on the Web accept into clustalx (select clean(a.sequence) from GlobalDB as g, AnimalDB as a where g.organism = “Drosophila” and g.source(country)=“Kenya” and g.journal like “USA” and a.accession in (select b.accession from blast(AnimalDB, clean(g.sequence)) as b where b.e-value >= 0.98)) GlobalDB GenBank AnimalDB PlantDB AceDB FlyBase MaizeDB RiceDB GQL Example
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An Extensible Model-Based Mediatior System with Domain Maps
Mediator systems federate and integrate data from disparate sources in order to elicit information that the individual sources cannot provide independently. The standard mediator architecture employs wrappers that translate heterogenous source data into a common (often semistructured) data model like XML. A “mediation engineer” provides an integrated view definition (IVD) on the wrapped XML sou...
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We propose an extension to current view-based mediator systems called model-based mediation, in which views are defined and executed at the level of conceptual models (CMs) rather than at the structural level. Structural integration and lifting of data to the conceptual level is “pushed down” from the mediator to wrappers which in our system export classes, associations, constraints, and query ...
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Mediator systems federate and integrate data from disparate sources in order to elicit information that the individual sources cannot provide independently. The standard mediator architecture employs wrappers that translate heterogenous source data into a common (often semistructured) data model like XML. A “mediation engineer” provides an integrated view definition (IVD) on the wrapped XML sou...
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