- From: Krzysztof Janowicz <janowicz@ucsb.edu>
- Date: Sun, 22 Dec 2013 09:36:16 -0800
- To: <public-locadd@w3.org>
Hi Oscar, > and we were looking for >> an RDF-aware knowledge base of coordinate systems that may be already >> available. >> >> For the time being we use just a literal like: >> ?x geom:crs "EPSGS23030" >> And we also encode the crs inside the WKT literals, but this is far from >> perfect. What would be wrong with the literal encoding (and/or to have it together with the WKT)? You can also create instances if you prefer them over literals. Cheers, Krzysztof On 12/22/2013 05:58 AM, Oscar Corcho wrote: > > Dear Ghis, > > Thanks for sharing this best practice from your side. We are currently at > LocaliData [1] facing the same problem of needing to encode explicitly the > coordinate system in which a geometry is provided, and we were looking for > an RDF-aware knowledge base of coordinate systems that may be already > available. > > For the time being we use just a literal like: > ?x geom:crs "EPSGS23030" > > And we also encode the crs inside the WKT literals, but this is far from > perfect. > > When do you plan to have this KB of coordinate systems already publicly > available? We would love to be able to reuse it. > > Regards, > Oscar > > > > [1] http://www.localidata.com/, http://datos.localidata.com/ > -- Krzysztof Janowicz Geography Department, University of California, Santa Barbara 5806 Ellison Hall, Santa Barbara, CA 93106-4060 Email: jano@geog.ucsb.edu Webpage: http://geog.ucsb.edu/~jano/ Semantic Web Journal: http://www.semantic-web-journal.net
Received on Tuesday, 24 December 2013 09:55:35 UTC