RE: Incompatibilities in RDQL implementations

> Steve Harris wrote:
>
> > On Thu, May 06, 2004 at 10:16:35 +0100, Phil Dawes wrote:
> >
> >>SELECT ?family , ?given
> >>WHERE  (?vcard  vcard:FN "John Smith")
> >>       (?vcard  vcard:N  ?name)
> >>       (?name   vcard:Family  ?family)
> >>       (?name   vcard:Given  ?given)
> >>USING  vcard FOR <http://www.w3.org/2001/vcard-rdf/3.0#>
> >>
> >>
> >>Unfortunately both Sesame(1.0) and RAP(0.71) require '<' and '>'
> >>around qnames for the query to parse.
> >
> >
> > FWIW 3store requires both <>'s and commas, the commas thing is a bug and
> > will be fixed. I'm be reluctant to remove or stop requireing
> the <>'s as I
> > think it makes the queries more readable.
>
> ObAOL: Ditto for Sesame.

What about the potential confusion between <vcard:Family> qname and
<vcard:Family> new URI scheme?

While I don't use RDQL much, I note that N3 has the same convention: <>
indicate URI, no-<> indicates qname.



Jeremy