RE: asn06/OWL vs. UML [was: asn06 take 2 (Abstract Syntax as a kind of ontology?)]

> >> [By the way, how does "list of X" work in UML?]
> > 
> > I don't see for what this would be needed in an abstract syntax?
> 
> In the abstract syntax we do need to identify places where 
> ordering is significant. 

This is expressible in UML with the help of the {ordered} constraint, 
see e.g. the REWERSE R2ML metamodel diagram
http://oxygen.informatik.tu-cottbus.de/R2ML/0.4/metamodel/R2MLv0.4_files/png
_23.htm

-Gerd