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Aha. I think the schema is precisely context aware but
it cannot change the context it can be aware of. As I
said to David, it can tell that something is a thing
but not the thing. It can express the intention in
some detail but it cannot change the intention.
In short, it is not a dynamic assembly mechanism
because it is not dynamic.
It is a means to determine the fit of the instance
to the expectation of the receiver. It cannot
know that expectation which is why it is referred
to as a contract. If used transactionally, it
requires a priori negotiation.
From: Hunsberger, Peter [mailto:Peter.Hunsberger@STJUDE.ORG]
Wasn't aware that was the objective (local context predominates)...
However, I think we have a partial answer: schema have no built in
mechanism for context awareness or context resolution.