§UML
provides a mechanism that allows metaclasses from an existing
metamodel to be adapted for different purposes
§
§A profile
is a kind of package that extends a reference metamodel
§
§A stereotype
is a kind of class that may extend one or more metaclasses via extension
relationships, as part of a profile
§
§It is
possible to interchange profiles, together with models to which
they have been applied, via XMI
§
§UML2 provides support for
defining and interchanging profiles