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Re: Turtle and predicate object lists.

From: Andy Seaborne <andy.seaborne@epimorphics.com>
Date: Tue, 15 May 2012 11:18:46 +0100
Message-ID: <4FB22D86.1090000@epimorphics.com>
To: Alex Hall <alexhall@revelytix.com>
CC: Eric Prud'hommeaux <eric@w3.org>, RDF-WG <public-rdf-wg@w3.org>
> This is ISSUE-19 (http://www.w3.org/2011/rdf-wg/track/issues/19) and was
> discussed some on the mailing list 13 months (!) ago and subsequently
> closed as a duplicate of ISSUE-1. If memory serves, there was some
> pushback at the time on allowing it in Turtle but that might have been
> overridden by SPARQL alignment concerns.
> Alex

For the record, there is another difference which is the SPARQL form:

{ ( "abc" ?x "def" ) . }

and the list must be non-empty -- { () } is not allowed

This is obscure, and takes a few moments to work out what it matches 
(hint: not lists of length 3).

IMO: The best choice here is change SPARQL.  It's not exactly a feature 
for anything other than corner case syntax test cases.

Received on Tuesday, 15 May 2012 10:19:13 UTC

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