Re: can subqueries be executed first in SPARQL? (previous example messed up)

good afternoon;


> On 2016-06-25, at 17:58, Andy Seaborne <andy@apache.org> wrote:
> 
> […]
> 
> A suggestion (from Arnaud Le Hors / RDF Shapes chair, as well as other people) is to use the Community Group mechanism to build consensus in the SPARQL community, including implementers and users.

the topic for consensus is, perhaps, itself open to discussion.

> On 2016-06-27, at 17:52, Peter F. Patel-Schneider <pfpschneider@gmail.com> wrote:
> 
> Oops, in my attempt to show what was happening with a disconnected variable, I
> messed up completely.  My apologies.  A corrected version will be available
> shortly.

from which one could argue, the topic should not immediately be the meaning of exists in combination with select, but rather to define the scope and extent of bindings as established and/or precluded respective all sparql clauses.
given that, the definition of exists - in combination with arbitrary sub-expressions, would follow.

best regards, from berlin,
---
james anderson | james@dydra.com | http://dydra.com

Received on Monday, 27 June 2016 16:15:54 UTC