Re: schema.org+Microdata: additional namespaces?

Am 08.09.2012 00:02, schrieb Stéphane Corlosquet:
> Schema.org offers a work around for that via the additionalType 
> property: "An additional type for the item, typically used for adding 
> more specific types from external vocabularies in microdata syntax. 
> This is a relationship between something and a class that the thing is 
> in. In RDFa syntax, it is better to use the native RDFa syntax - the 
> 'typeof' attribute - for multiple types. Schema.org tools may have 
> only weaker understanding of extra types, in particular those defined 
> externally." - you can see it on all schema.org <http://schema.org> 
> type pages, e.g. http://schema.org/Person

As RDFa is more advanced than Microdata: Would it make sense to use 
Microdata for schema.org and mix it with RDFa for other vocabularies 
(like Dublin Core, Good Relations,...)?