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? The NASA Jet Propulsion Lab SWEET ontologies seem relevant and are very comprehensive, if rather sparsely documented (http://sweet.jpl.nasa.gov/ontology/ ). Anyone used those in anger? Thanks for any tips BillReceived on Thursday, 30 July 2009 16:29:35 UTC
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