When we register a coded value, we store the terminology and the code. The display or rubric of it can be used for example to communicate data to a system that may not have access to the complete terminology, so that a human user can understand it. This behavior should not be different for units. We should not store the readable form of the unit everywhere.
Apart from that, I think that trying to avoid unscientific units should be, as far as possible, a requirement the modeling activities. FYI: Spoons lead to inaccurate medicine doses for kids ( http://www.nhs.uk/news/2014/07July/Pages/Spoons-lead-to-inaccurate-medicine-doses-for-kids.aspx ) -- David Moner Cano Grupo de Informática Biomédica - IBIME Instituto ITACA http://www.ibime.upv.es http://www.linkedin.com/in/davidmoner Universidad Politécnica de Valencia (UPV) Camino de Vera, s/n, Edificio G-8, Acceso B, 3ª planta Valencia – 46022 (España)
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