UML22 — Clarification on use of Profiles.

would like to get some clarification on the use of Profiles.

Although it does not explicitly state this in the UML superstructure specification, there seems to be an implication that only Profiles should actually own Stereotype. The fact that Stereotype can be owned by any Package seems to be an unintended side effect of inheritance. Is it true that the only feature intended to own a Stereotype is Profile::ownedStereotype ?

If it is true that only Profile can own a Stereotype, then it makes working with profiles with many stereotypes somewhat unruly (consider having 50 stereotypes). It would be nice to be able to group stereotypes within nested packages under a profile.

Nesting profiles within profiles does not seem like an appropriate solution since: in order to satisfy constraint [2] in 18.3.6 the nested profile would also have to reference a metamodel; inconvenient. And, how would users use such a profile? Would they apply each nested profile separately? This seems to raise more problems than it solves.

Either way, I would suggest that the spec. should provide some rules or guidelines in this area.

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