Are you talking about geographical entities, or geopolitical ones? For
example,  is there an answer to the question "what country is
constantinople located in?"

Simon
On Apr 8, 2012 8:02 PM, "Ethan Gruber" <[log in to unmask]> wrote:

> CIDOC-CRM may be the answer here. I will look over the documentation in
> greater detail tomorrow.
>
> Thanks,
> Ethan
> On Apr 8, 2012 7:56 PM, "Ethan Gruber" <[log in to unmask]> wrote:
>
> > The data is modeled, but I want to use an ontology for geographic
> concepts
> > that already exists, if possible.  If anything, my issue highlights the
> > point that linked data can be *too* flexible.
> > On Apr 8, 2012 3:54 PM, "Michael Hopwood" <[log in to unmask]> wrote:
> >
> >> I think this highlights the point that, at some point, you have to model
> >> the data.
> >>
> >> -----Original Message-----
> >> From: Code for Libraries [mailto:[log in to unmask]] On Behalf Of
> >> Ethan Gruber
> >> Sent: 08 April 2012 15:44
> >> To: [log in to unmask]
> >> Subject: Re: [CODE4LIB] Representing geographic hiearchy in linked data
> >>
> >> Hi,
> >>
> >> Thanks for the info, but it's not quite what I'm looking for.  We've
> >> established authority control for ancient places, but I'm looking for an
> >> ontology I can use to describe the child:parent relationship between
> city
> >> and region or region and larger region (in any way that isn't
> >> dcterms:partOf).  Geonames has defined their own vocabulary that can't
> >> really be reused in other geographic contexts, e.g. with gn:countryCode,
> >> gn:parentCountry.
> >>
> >> Thanks,
> >> Ethan
> >>
> >> On Fri, Apr 6, 2012 at 11:40 AM, Karen Coyle <[log in to unmask]> wrote:
> >>
> >> > Also, there is Geonames (http://www.geonames.org), which is the
> >> > primary geographic data set on the Semantic Web. Here is the link to
> >> Athens:
> >> >
> >> > http://www.geonames.org/**search.html?q=athens&country=**GR<
> http://www
> >> > .geonames.org/search.html?q=athens&country=GR>
> >> >
> >> > kc
> >> >
> >> >
> >> > On 4/6/12 4:54 PM, Karen Miller wrote:
> >> >
> >> >> Ethan, have you considered Getty's Thesaurus of Geographic Names?  It
> >> >> does provide a geographic hierarchy, although the data for Athens
> >> >> they provide isn't quite the one you've described:
> >> >>
> >> >> http://www.getty.edu/vow/**TGNHierarchy?find=athens&**
> >> >> place=&nation=&prev_page=1&**english=Y&subjectid=7001393<
> http://www.g
> >> >>
> etty.edu/vow/TGNHierarchy?find=athens&place=&nation=&prev_page=1&engl
> >> >> ish=Y&subjectid=7001393>
> >> >>
> >> >> This vocabulary is available in XML here:
> >> >>
> >> >>
> http://www.getty.edu/research/**tools/vocabularies/obtain/**index.htm
> >> >> l<http://www.getty.edu/research/tools/vocabularies/obtain/index.html
> >
> >> >>
> >> >> I have looked at it but not used it; it's a big tangled mess of XML.
> >> >>
> >> >> MODS mimics a hierarchy (the subject/hierarchicalGeographic element
> >> >> has these children: continent, country, province, region, state,
> >> >> territory, county, city, island, area, extraterrestrialArea,
> >> >> citySection). The VRA Core location element provides a similar
> mapping.
> >> >>
> >> >> I try to stay away from Dublin Core, but I did venture onto the DC
> >> >> Terms page just now and saw TGN listed in the vocabulary encoding
> >> >> schemes there, so probably someone has implemented it.
> >> >>
> >> >> Karen
> >> >>
> >> >>
> >> >> Karen D. Miller
> >> >> Monographic/Digital Projects Cataloger Bibliographic Services Dept.
> >> >> Northwestern University Library
> >> >> Evanston, IL
> >> >> [log in to unmask]
> >> >> 847-467-3462
> >> >>
> >> >>
> >> >>
> >> >>
> >> >> -----Original Message-----
> >> >> From: Code for Libraries [mailto:[log in to unmask]**EDU<
> >> [log in to unmask]>]
> >> >> On Behalf Of Ethan Gruber
> >> >> Sent: Thursday, April 05, 2012 12:49 PM
> >> >> To: [log in to unmask]
> >> >> Subject: [CODE4LIB] Representing geographic hiearchy in linked data
> >> >>
> >> >> Hi all,
> >> >>
> >> >> I have a dilemma that needs to be sorted out.  I'm looking for an
> >> >> ontology that can describe geographic hierarchy, and hopefully
> someone
> >> on
> >> >> the list has experience with this.  For example, if I have an RDF
> >> record
> >> >> that describes Athens, I want to point Athens to Attica, and Attica
> to
> >> >> Greece, and so on.  The current proposal is to use dcterms:partOf,
> but
> >> the
> >> >> problem with this is that our records will also use dcterms:partOf to
> >> >> describe a completely different type of relational concept, and it
> >> will be
> >> >> almost impossible for scripts to recognize the difference between
> >> these two
> >> >> uses of the same DC term.
> >> >>
> >> >> Thanks,
> >> >> Ethan
> >> >>
> >> >
> >> > --
> >> > Karen Coyle
> >> > [log in to unmask] http://kcoyle.net
> >> > ph: 1-510-540-7596
> >> > m: 1-510-435-8234
> >> > skype: kcoylenet
> >> >
> >>
> >
>