[tdwg-tag] time and space namespaces in Darwin Core

[John Wieczorek]

There is actually no equivalency between dwc:decimalLatitude and geo:lat
 because geo:lat is specified to represent the latitude in the WGS84 spatial
reference system and dwc:decimalLatitude has no such such restriction.

On Fri, Aug 6, 2010 at 10:08 AM, joel sachs <jsachs at csee.umbc.edu> wrote:

> On Fri, 6 Aug 2010, Hilmar Lapp wrote:
>
> > Shouldn't the RDF for DwC link DwC:lat to geo:lat (using some subtype
> > or better yet equivalency relation)? And shouldn't hence Linked Data
> > browsers be able to use DwC:lat in the same way as geo:lat?
> >
>
> Yes. But no Linked Data browser I'm aware of applies
> owl:equivalentProperty assetions before rendering the data. (In fact, most
> do no reasoning at all.) I agree that, whatever our default display,
> it should include the appropriate mapping statements, either via an
> rdfs:seeAlso or similar link, or directly in the document.
>
>
> Joel.
>
>
>
>
>
>
>
>
> >       -hilmar
> >
> > On Aug 6, 2010, at 11:01 AM, joel sachs wrote:
> >
> >> All,
> >>
> >> When representing observation records in RDF, there are advantages
> >> to using Dublin Core and Geo (http://www.w3.org/2003/01/geo/
> >> wgs84_pos#)
> >> namespaces where possible. For example, if we use DC:date, and
> >> geo:lat, geo:long, instead of DwC:eventDate, DwC:lat, and DwC:long,
> >> then Linked Data browsers can automatically map the records, plot
> >> them on a timeline, etc.
> >>
> >> My question is: What are the disadvantages to doing this? (For
> >> example, is this going to break someone's DwC validator?)
> >>
> >> Thanks -
> >> Joel.
> >>
> >
> > --
> > ===========================================================
> > : Hilmar Lapp  -:- Durham, NC -:- informatics.nescent.org :
> > ===========================================================
> >
> >
> >
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> >
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