IPM Coalition

integrated pest management

Meta-data model

A meta-model is an explicit model of the constructs and rules needed to build specific models within a domain of interest. A valid meta-model is an ontology, but not all ontologies are modeled explicitly as meta-models. A meta-model can be viewed from three different perspectives:
as a set of building blocks and rules used to build models
as a model of a domain of interest, and
as an instance of another model.
When comparing meta-models to ontologies, we are talking about meta-models as models (perspective 2).
 
Source: http://infogrid.org/trac/wiki/Reference/PidcockArticle

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