And we probably want that the human-readable form can be multilingual as well.
2016-05-18 13:41 GMT+02:00 Thomas Beale <thomas.be...@openehr.org>: > > On 18/05/2016 12:21, Grahame Grieve wrote: > > The main problem is that ucum units are not human readable units, > > > right - my idea 13 years ago was to use the UCUM string as a key into > something that generated a human-readable form. For reasons that became > clearer since, I think we all agree that we need to embed not just the > formal form, but the human-readable form as well. So that's a fairly anodyne > design problem for the Quantity type in everyone's type system. I think we > can solve that in a reasonable way in openEHR. > > and trying to force them to be will generate substantial pushback from end > users. In USA, this is an open problem for CDA adoption. In Australia, I > solved it by declaring that we would never retire valid ucum units in CDA. > > A secondary problem is discrete units like tablet, capsule etc which have no > computable form in ucum > > > I suspect this is the main problem for some people at least these days. > Scientifically speaking, anything like 'tablet', 'capsule', 'drop' etc isn't > a 'unit' in the science/physics sense; but in English (and most other > languages I suspect) we use the same word in a non-science sense to mean > 'discrete amount of anything', e.g. unit shares, 5mg tablet is the unit of > dosing, and so on. This makes people think the problem can be solved within > the model / language of scientific units. It can't in any clean way. > > So dose 'units' need to be understood as something different from scientific > units, and modelled in a different way. They are units of discretisation or > quantisation of material, not units of physical properties. > > - thomas > > _______________________________________________ > openEHR-technical mailing list > openEHR-technical@lists.openehr.org > http://lists.openehr.org/mailman/listinfo/openehr-technical_lists.openehr.org _______________________________________________ openEHR-technical mailing list openEHR-technical@lists.openehr.org http://lists.openehr.org/mailman/listinfo/openehr-technical_lists.openehr.org
