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Ancient geographic entities. Athens is in Attica. Sardis is in Lydia (in Anatolia, for example). If these were modern geopolitical entities, I would use geonames. We're linking cities to Pleiades, but Pleiades does not maintain parent::child geographic relationships. Ethan On Apr 9, 2012 5:53 PM, "Simon Spero" <[log in to unmask]> wrote: > 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 > > >> > > > >> > > > > > >