Re: Is there a way to specify a data format based on RDF ?

>> RDF just isn't well suited for describing structures that MUST   
>> include a particular field.  (You *can* do this, but then you're   
>> ignoring RDF's semantics, and just treating it as a weird database).
>
> Additional assumptions are not quite the same as ignoring the semantics :-)
>
> In engineering terms there is often a point where you have to say
> "whilst the world is open this is all the data I'm actually going to
> get and I have to check if this data is complete enough to meet the
> assumptions of my next processing step". That doesn't stop you
> benefiting from the flexibility of the open world assumption right up
> to the point where you have perform a closed-world model check in order
> to proceed (e.g. actually send a message to that address).

Yes and...
is there a way to formalize these extra contraints ?
If I want to provide a documentation about them, to define an exchange  
message ? Or a post-pre-requisite valid "content" ?

ciao,
Andrea