At last year's SemTech there was a presentation from the UN FAO folks
who have a country ontology: (01)
http://www.fao.org/countryprofiles/geoinfo.asp (02)
These are the first people that a country writes to when it changes its
name, I'm told. So in terms of provenance, this is the most
authoritative. It's not ideal since it does not deal with intra-country
concepts. Also it's a bit "design-y" for my tastes. When I asked about
this they said they had not envisaged other types of user wanting make
reference to this material. (03)
If one wants to define a set of reference ontologies to use which are as
standard as possible then I'd suggest that this should be used for
reasons of provenance. I'm in the process of trying to integrate the EDM
Council Semantics Repository upper ontology terms into this, for that
reason, and replacing the "holding" terms we currently use, which you
are welcome to look at on www.hypercube.co.uk/edmcouncil under "Global
Terms/Geographical". (04)
The intra-country terms are more problematic, and I'm also looking for
what is the "most definitive" ontology for such terms, i.e. with
provenance from a standards or governing body. The recognised authority
on countries and country components is ISO 3166 at
http://www.iso.org/iso/country_codes.htm but unfortunately that simply
itemises the various intra-country components without attempting to
create common concepts (e.g. a federal province is a common concept,
whether a given federation calls it a State, a Province, a Canton or
whatever, subject to different legal nuances of course). (05)
Mike (06)
Erick Antezana wrote:
> Hello,
>
> I am looking for an ontology that "captures" geographical concepts
> such as continent, country, province/state, city, and so forth, their
> "instances" (e.g. Europe, Belgium, East Flanders, Ghent) as well as
> the relationships among them (Ghent is_located in Belgium).
>
> I have found a couple of works (e.g.
> http://www.geonames.org/ontology/ontology_v2.0_Lite.rdf). Is there any
> one you could advise to look into?
>
> thanks,
> Erick
>
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> (07)
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