- From: Paul Gearon <gearon@ieee.org>
- Date: Wed, 31 Mar 2010 11:52:40 -0400
- To: Andy Seaborne <andy.seaborne@talis.com>
- Cc: SPARQL Working Group <public-rdf-dawg@w3.org>
On Wed, Mar 31, 2010 at 6:35 AM, Andy Seaborne <andy.seaborne@talis.com> wrote: > <snip/> > For the record, we could change UNION to allow {}-less LHS > > A chain of UNIONs would be > > pattern UNION { pattern } UNION { pattern } > > This has no effect on SPARQL 1.0 style queries. > > { pattern } UNION { pattern } UNION { pattern } > > is still legal and the same semantics. It's just a tweak to the grammar - > the same AST and same algebra would result. I like this change. Indeed, It would have been if it had been specified that way in the first place. Regards, Paul Gearon
Received on Wednesday, 31 March 2010 15:53:12 UTC