Re: SPARQL 1.1 - LeftJoin definition

On Mon, Dec 5, 2011 at 8:32 AM, Andy Seaborne <andy.seaborne@epimorphics.com
> wrote:

> In addition, shouldn't the "or Ù_2 is empty" condition be dropped from
>>
>> one of these clauses so that we only include the contents of Ù1 one time
>> if Ù2 is empty?
>>
>
Andy - What are your thoughts on dropping the "or Ù2 is empty" from one of
the clauses? Is my reading of this correct, that having this in both
clauses causes duplicate solutions to be produced in the case where  Ù2 is
empty?

Thanks.
-David

Received on Monday, 5 December 2011 14:58:32 UTC