On Tuesday 16 June 2009 22:51:37 Robert Haas wrote:
> I agree. I'm just not seeing the need for an *explicit*
> categorization contained within the data itself. For one thing, AIUI,
> that's the job of things like an XML Schema, which Andres Freund has
> already agreed to write, and I would expect that would be of some
> value to tool-writers, else why are we creating it?
A schema will just tell which documents are valid, not what they mean. That
is the job of XML ontologies, which are about as pie-in-the-sky as the
semantic web that they are supposed to end up building.
