I've come across the Units Markup Language (UnitsML,
http://unitsml.nist.gov/), which is a project of the National Institute
of Standards and Technology for encoding scientific units of measure in
XML. It is currently being standardised by OASIS (the Working Draft is
Should UnitsML be embedded in a future version of CellML? In FieldML? To
become the preferred way to specify units in the various MLs??
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