- From: Andy Seaborne <andy@seaborne.org>
- Date: Tue, 23 Sep 2014 15:19:28 +0100
- To: public-lod@w3.org
You can have \u in string literal in SPARQL -- it happens a different in
SPARQL.
\u processing is applied to the input char stream via
http://www.w3.org/TR/sparql11-query/#codepointEscape
(it's this, not the Turtle way, for historical reasons i.e.
compatibility with SPARQL 1.1)
Andy
On 23/09/14 08:45, Dimitris Kontokostas wrote:
> Hello,
>
> With the recent discussion on RDF/LD patching I looked on the SPARUL [1]
> & Turtle [2] specs and was surprised to notice that they are not 100%
> compatible.
>
> The difference I found was in the escaping of literal values where, in
> turtle we are allowed to have unicode escaping while in SPARUL we are not
>
> Turtle [26] |UCHAR| ::= '|\u|' HEX
> <http://www.w3.org/TR/turtle/#grammar-production-HEX> HEX
> <http://www.w3.org/TR/turtle/#grammar-production-HEX> HEX
> <http://www.w3.org/TR/turtle/#grammar-production-HEX> HEX
> <http://www.w3.org/TR/turtle/#grammar-production-HEX> || |'|\U|' HEX
> <http://www.w3.org/TR/turtle/#grammar-production-HEX> HEX
> <http://www.w3.org/TR/turtle/#grammar-production-HEX> HEX
> <http://www.w3.org/TR/turtle/#grammar-production-HEX> HEX
> <http://www.w3.org/TR/turtle/#grammar-production-HEX> HEX
> <http://www.w3.org/TR/turtle/#grammar-production-HEX> HEX
> <http://www.w3.org/TR/turtle/#grammar-production-HEX> HEX
> <http://www.w3.org/TR/turtle/#grammar-production-HEX> HEX
> <http://www.w3.org/TR/turtle/#grammar-production-HEX>
>
>
> This means we cannot just reuse turtle blocks inside insert/delete
> SPARUL blocks without pre-processing. Am I correct or did I overlook
> something?
> In addition, does the aforementioned rule add anything in turtle besides
> extra serialization options?
>
> Best,
> Dimitris
>
> [1] http://www.w3.org/TR/sparql11-query/#rSTRING_LITERAL1
> [2] http://www.w3.org/TR/turtle/#grammar-production-STRING_LITERAL_QUOTE
>
>
> --
> Dimitris Kontokostas
> Department of Computer Science, University of Leipzig
> Research Group: http://aksw.org
> Homepage:http://aksw.org/DimitrisKontokostas
Received on Tuesday, 23 September 2014 14:19:58 UTC