Re: Property "geographic identifier" in LOCN

I'm also in favour of your proposal, Raphaël - i.e., keep using
rdfs:seeAlso. And many thanks, Kostis, for providing a strong use case for
this property, besides the INSPIRE one explained in my previous email [1]
(again, apologies for being late in replying).

About how to model GNIS IDs and other geographical identifiers, as I said
in [1], a possible option would be to re-use adms:Identifier [2]. An
alternative, is to create a specific, core class for this in the LOCN
vocabulary, that can be extended depending on the requirements of different
identifier schemes.

Andrea

----
[1]http://lists.w3.org/Archives/Public/public-locadd/2014Jan/0076.html
[2]http://www.w3.org/TR/vocab-adms/#identifier


On Tue, Jan 7, 2014 at 2:27 PM, Raphaël Troncy <raphael.troncy@eurecom.fr>wrote:

> So we can similarly say for locn, as you suggested something like:
>>
>> locn:identifier a owl:DatatypeProperty, rdf:Property ;
>> rdfs:range [a rdfs:Datatype ;
>>                 owl:unionOf (xsd:URI rdfs:Literal) .]  ;
>> Does it make sense?
>>
>
> No. If you want that this URI to be interpreted as a URI and not as a
> literal, then the identifier property cannot be a owl:DatatypeProperty. It
> is an owl:ObjectProperty by definition. Since we want an unconstrained
> range, we are out of OWL anyway, so the property will just be a
> rdf:Property.
>
>
>  And add to the appropriate class in locn vocab an axiom like the one
>> stated in org like:
>> locn:aClass owl:hasKey (locn:identifier) ;
>>
>
> * What would be the owl class: locn:Location? locn:Geometry? Something
> else?
> * Why would you like to make this property a key? This prevents to have
> two geographic identifiers for the same object which sorts of ruins the
> interoperability effort we are trying to achieve with this property.
> I'm afraid I don't understand your proposal.
>
>
>   Raphaël
>
> --
> Raphaël Troncy
> EURECOM, Campus SophiaTech
> Multimedia Communications Department
> 450 route des Chappes, 06410 Biot, France.
> e-mail: raphael.troncy@eurecom.fr & raphael.troncy@gmail.com
> Tel: +33 (0)4 - 9300 8242
> Fax: +33 (0)4 - 9000 8200
> Web: http://www.eurecom.fr/~troncy/
>
>


-- 
Andrea Perego, Ph.D.
European Commission DG JRC
Institute for Environment & Sustainability
Unit H06 - Digital Earth & Reference Data
Via E. Fermi, 2749 - TP 262
21027 Ispra VA, Italy

DE+RD Unit: http://ies.jrc.ec.europa.eu/DE

----
The views expressed are purely those of the writer and may
not in any circumstances be regarded as stating an official
position of the European Commission.