Meta-models are carefully accompanying to ontologies. Both are generally acclimated to call and assay the relations amid concepts4
Ontologies: accurate something allusive aural a defined cosmos or area of address by utilizing a grammar for application vocabulary. The grammar specifies what it agency to be a admirable statement, assertion, query, etc. (formal constraints) on how agreement in the ontology’s controlled cant can be acclimated together.5
Meta-modeling: can be advised as an absolute description (constructs and rules) of how a domain-specific archetypal is built. In particular, this comprises a formalized blueprint of the domain-specific notations. Typically, metamodels are – and consistently should chase - a austere aphorism set.6 “A accurate metamodel is an ontology, but not all ontologies are modeled absolutely as metamodels”.5
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