Conceptual Schemas are Ontologies

Data Base:

Price(x, y) =>

? (x’, y’) [Auto-Part(x’)

& Stock-No(x’) = x

& Retail-Price(x’, y’, Vendor1)

& Magnitude(y’, US-Dollars) = y]

Conceptual Schema:

A conceptual schema specifies the intended meaning of vocabulary used in a data base

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