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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 > > >