- From: Matthew Perry <matthew.perry@oracle.com>
- Date: Wed, 05 Oct 2011 09:43:48 -0400
- To: public-rdf-dawg@w3.org
Hi Andy, That should be fine. I assume that for query the last BASE given will override the previous ones, and only the last BASE will be used to expand relative URIs. Thanks, Matt On 10/5/2011 9:38 AM, Andy Seaborne wrote: > > > On 04/10/11 16:16, Matthew Perry wrote: >> Thanks Andy. >> >> I also noticed that multiple BASE declarations are allowed in 1.1: >> Prologue ::= ( BaseDecl | PrefixDecl )* >> >> Is this intentional? Only one BASE declaration was allowed in 1.0: >> Prologue ::= BaseDecl? PrefixDecl* > > Intentional - yes. It wasn't a big thing though. > > In SPARQL 1.0, base URIs could be relative even though there was one one base (relative the URI of the query file). > > Update adds the possibility of prologues (BASE, PREFIX) before any operation, so BASE...BASE existed in Update. > > So making it a general ( BaseDecl | PrefixDecl )* seemed like a simplification. > > Is there some problem with that? > > Andy > > > >> >> Cheers, >> Matt >> >> On 9/28/2011 5:30 PM, Andy Seaborne wrote: >>> Looks like a bug to me. >>> >>> I've made a note in rq25 (editors draft) so it does not get lost: >>> >>> http://www.w3.org/2009/sparql/docs/query-1.1/rq25.xml#editors-notes >>> >>> and added it to >>> >>> http://www.w3.org/2009/sparql/wiki/PostLastCall >>> >>> Thanks >>> Andy >>> >>> On 28/09/11 14:14, Matthew Perry wrote: >>>> Hi Andy, >>>> >>>> I was working on a SPARQL 1.1 parser and noticed that this filter did >>>> not parse: >>>> >>>> FILTER(3+3+4*5*2*3=126) >>>> >>>> I believe there is a problem with the AdditiveExpression production: >>>> >>>> AdditiveExpression ::= MultiplicativeExpression ( '+' >>>> MultiplicativeExpression | '-' MultiplicativeExpression | ( >>>> NumericLiteralPositive | NumericLiteralNegative ) ( ( '*' >>>> UnaryExpression ) | ( '/' UnaryExpression ) )? )* >>>> >>>> I think >>>> ( ( '*' UnaryExpression ) | ( '/' UnaryExpression ) )*?* >>>> should be >>>> ( ( '*' UnaryExpression ) | ( '/' UnaryExpression ) )*** >>>> >>>> Of course, I could have made a mistake somewhere else to cause the >>>> problem too. >>>> >>>> Thanks, >>>> Matt >>> >> >
Received on Wednesday, 5 October 2011 13:44:55 UTC