[redland-dev] HTTP interfaces to RDF models
Richard Newman
r.newman at reading.ac.uk
Tue Jul 12 22:06:38 BST 2005
On 12 Jul 2005, at 21:42, Jo Walsh wrote:
> experiments with it suggested that it would work well to have a
> standard list of namespace abbreviations so one didn't have to send
> 'USING foo for http://foo.com/' type statements about headers along
> with each query. You could ask a http server for an agreed URI and it
> would send back a list which looked something like this:
> http://map.wirelesslondon.info/docs/boot.xml
>
> if there were any de facto standard i would be keen to make an
> implementation.
When implementing a frontend[1] for twinql[2] I put in a checkbox to
use default namespace prefixes (such as FOAF). Any provided in the
query itself override the defaults.
Better would be a method as you describe -- provide a URI from which
to fetch prefixes, or to ship them in a POST body.
I'm sure I've seen RDF tools that have internal default namespace
prefixes, so this would formalise and extend that.
-R
[1] http://www.noctua.co.uk/sparql/
[2] http://www.holygoat.co.uk/projects/twinql/
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