W3C home > Mailing lists > Public > w3c-rdfcore-wg@w3.org > October 2002

Re: Typed literals: current status

From: Dave Beckett <dave.beckett@bristol.ac.uk>
Date: Mon, 21 Oct 2002 16:27:11 +0100
To: fmanola@mitre.org
cc: Jeremy Carroll <jjc@hpl.hp.com>, w3c-rdfcore-wg@w3.org
Message-ID: <9436.1035214031@hoth.ilrt.bris.ac.uk>

>>>Frank Manola said:
> Hey guys.  I'm in the process of adding datatypes to the Primer, and
> this (plus the message I'm responding to and the Ntriples thread) causes
> me to ask for some guidance on:
> a.  how to represent typed literals in Ntriples
> b.  a new abbreviated form for Ntriples
> To start with (b), we'd discussed abbreviating writing out full Ntriples
> in examples, and I thought we'd decided that instead of writing out full
> URIrefs in angle brackets, we'd write QNames without angle brackets, as
> in
> ex:index.html dc:creator exstaff:85740 .
> ex:index.html exterms:creation-date "August 16, 1999" .

That's fine.  I was objecting to <dc:creator> in examples ;)

> Edging a bit into (a), the obvious extension to this abbreviated form to
> handle typed literals would be something like the literal immediately
> preceded (or followed?) by the QName for the datatype, as in:
> exstaff:85740 exterms:age xsd:integer"27"
> However, various threads seem to be discussing these issues, with
> various suggestions, but it's not clear there's any consensus.  So:
> 1.  have we decided on the syntax for typed literals in Ntriples?  If
> so, what is it?

I will be deciding this (as editor of N-Triples) and pretty soon.

> 2.  given the decided syntax for typed literals in Ntriples, do you have
> any suggestions for an abbreviated
>     syntax (analogous the one described above) that uses Qnames? 

I'll discuss that when I get the N-Triples syntax changes decided.

Received on Monday, 21 October 2002 11:27:35 UTC

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