Hello Dave,

Thank you! I think the QUDT definition was just what I was looking for. I was aware of the QUDT vocabulary but I guess I did not expect to find percentage defined there because I did not consider it a unit.

I am using multi-measure observations, but I think I can manage with not attaching the unit to the observations but to the general description of the measure property (qb:MeasureProperty), as suggested in paragraph 6.5.1 of the Data Cube vocabulary: http://www.w3.org/TR/vocab-data-cube/#dsd-mm-obs

Greetings,
Frans


On 24-6-2013 19:32, Dave Reynolds wrote:
Hi Frans,

On 24/06/13 17:37, Frans Knibbe | Geodan wrote:
Hello,

I would like to publish some statistical data. A few of these numbers
are percentages. What is the best way to make it clear to data consumers
that the numbers are to be treated as percentages? As far as I can tell,
the XSD data types do not suffice.

QUDT does include percent as a unit: http://qudt.org/vocab/unit#Percent

Assuming you are using the RDF Data Cube then you can use this as the value of unit of measure attribute (sdmx-attribute:unitMeasure).

If you are dealing with single measures or measure-dimension cubes that should be fine.

You are using multi-measure observations then life gets harder. In that case you might consider encoding your values as e.g. qudt:QuantityValues and attaching the unit of measure that way.

Dave





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