I have re-posted this from the openEHR Technical list as I think
Seref's original technical post, prompted the beginnings of a
discussion which is decidedly more clinical and may run on, swamping
Seref's original query.
I have tidied up the various responses to date below and included
Seref's original post, don't worry if this seems very technical - the
key to this discussion is to read Derek Meyer's reply and this
paragraph in particular..
"So semantic interoperability is a kind of philosopher's stone. The
search for the original philosopher's stone, which could turn base metal
into gold, simply showed that alchemists misunderstood chemistry and
sub-atomic physics. Maybe the search for semantic interoperability
simply shows that informaticians misunderstand linguistics and the
nature of knowledge."
Unleash the Dogs of War,
Ian