RDF Sample, ICAO Airport Codes

Jeff Greif jmg at trivida.com
Fri Jul 30 17:26:17 BST 1999

I'm not sure what the advantage of RDF is here, in comparison with using an
ordinary .xml file (changing rdf:about to a namespace declaration somewhere
and providing a DTD or XML Schema to specify an apt:Airport).  An airport is
a resource, so you might want a description of a bunch of them, but I'm
having trouble finding a context in which this is metadata, not data.  Is is
just that this is reference data perhaps useful to many xml-based apps, such
as weather reporting, flight schedules, a java applet that shows the
progress of a flight and its endpoints?  If so, would a table of cities and
zipcodes be similarly metadata?
----- Original Message -----
From: David Megginson <david at megginson.com>
To: XML Developers' List <xml-dev at ic.ac.uk>
Sent: Friday, July 30, 1999 7:13 AM
Subject: ANN: RDF Sample, ICAO Airport Codes

> I have placed a medium-sized RDF sample online at the following
> location:
>   http://www.megginson.com/samples/rdf/airports.rdf
> ...
> Here are sample records for the four airports I'll happen to be flying
> through next week:
> <apt:Airport rdf:about="http://www.megginson.com/exp/id/airports/CYOW">
>   <apt:icao>CYOW</apt:icao>
>   <apt:name>Ottawa Int'L. Ont., Canada </apt:name>
>   <apt:iata>YOW</apt:iata>
>   <apt:latitude>45-19N</apt:latitude>
>   <apt:longitude>075-40W</apt:longitude>
>   <apt:elevation>114M</apt:elevation>
> </apt:Airport>

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