W3C home > Mailing lists > Public > public-rdf-wg@w3.org > May 2012

Re: 6.3 -- proposal for (informal) dataset semantics

From: Steve Harris <steve.harris@garlik.com>
Date: Tue, 8 May 2012 10:56:08 -0700
Cc: Andy Seaborne <andy.seaborne@epimorphics.com>, public-rdf-wg@w3.org
Message-Id: <CBE4497A-ED42-4EE0-975E-A4E77CA286EF@garlik.com>
To: Sandro Hawke <sandro@w3.org>
On 8 May 2012, at 10:20, Sandro Hawke wrote:

> On Tue, 2012-05-08 at 09:32 -0700, Steve Harris wrote:
>> Sorry, I'm rather behind on mail, just catching upů
> 
> Quite the challenge.   :-/

Yes :-/

>> On 27 Apr 2012, at 11:54, Andy Seaborne wrote:
>>>>   I expect the idea of allowing blank nodes to be used as graph labels
>>>>   to be controversial, but I think it's important for convenience
>>>>   and to clarify the semantics in the face of possible dereference
>>>>   operations.  I understand it presents some issues, including
>>>>   SPARQL compatibility.  I propose we consider this AT RISK through
>>>>   CR and see how those issues pan out.
>>> 
>>> It is a real shame that this proposal starts by being controversial when there may be much to agree in it.
>>> 
>>> "AT RISK" at this stage is signalling an open issue.
>>> 
>>> 
>>> On the blank nodes,
>>> 
>>> http://www.w3.org/2011/rdf-wg/meeting/2012-01-04#Issue__3a__should__2f_must_the_4th_slot_be_an_IRI__3f_
>>> 
>>> Can we start where there is most agreement which, as I understand it, is IRIs for labels?
>>> 
>>> It is then up to those who want bNode for labels to persuade everyone else.
>>> 
>>> Let's take a strawpoll.
>> 
>> Did this strawpoll happen? I agree with Andy. Introducing controversial elements into this at this point isn't particularly helpful.
> 
> I don't think we did that particular strawpoll, but I don't see that as
> a blocking issue -- we can proceed with drafting and flip that bit
> easily, later.   In my drafting since then, I've used neutral language
> on this subject or kept it as an IRI.   

OK, great.

- Steve

> I really don't like making non-unanimous resolutions saying we're never
> going to go into some part of the design space while we're still mostly
> in the dark.   I think I know the lay of the land now, and am trying to
> turn it into an ED.
> 
>   -- Sandro
> 
> 
>> - Steve
>> 
> 
> 
> 

-- 
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Received on Tuesday, 8 May 2012 17:56:35 GMT

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