Re: Representing time varying data - suggestions for ontologies?

Bill Roberts wrote:
> Suppose I want to say something like:
>
> The total rainfall in Edinburgh in 2006 was 600mm.
>
> There are various ways to do it, but I'd probably go for something 
> like this in pseudo-RDF
>
> Edinburgh  hasMeasuredProperty  _b
> _b  measureOf  "Annual Rainfall"
> _b  period  "2006"
> _b  rdf:value  "600"
> _b  unit  "mm"
>
> (with some xsd data types added in).
>
> The same general pattern applies to population of a country, or sales 
> of a product etc. I'd expect this pattern of data to appear very 
> frequently, but found it surprisingly difficult to find similar 
> examples on the web (other than in the RDF Primer! - and the 
> GoodRelations ontology does this kind of thing for 
> PriceSpecification).  Can anyone suggest good ontologies/vocabularies 
> I should consider in areas like socio-economic data, physical 
> properties, weather, earth science that support this type of structure?
Loosely related:
http://www.w3.org/TR/swbp-n-aryRelations/
It mentions:
> For a discussion on how to represent units and quantities in OWL, 
> please refer to a different note (/to be written/) 

Axel

-- 
Axel Rauschmayer

axel@rauschma.de
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