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RE: SSN -- publishing dolce alignment separately

From: Kerry Taylor <kerry.taylor@anu.edu.au>
Date: Wed, 20 Apr 2016 09:54:30 +0000
To: Phil Archer <phila@w3.org>, Scott Simmons <ssimmons@opengeospatial.org>
CC: Spatial Data on the Web Working Group <public-sdw-wg@w3.org>
Message-ID: <PS1PR06MB17407223B41E9291F087EBF1A46D0@PS1PR06MB1740.apcprd06.prod.outlook.com>
> Let me check I've understood you correctly. 
Almost, but  certainly close enough for the answer to be what we are looking for. Thank you.

To correct, DUL is itself nothing to do with us. In the old "SSN" you could not use SSN without getting DUL into the bargain (via import and alignment axioms). Now we want to publish SSN minus DUL and minus alignment as the standard, but also separately publish the alignment ( probably still  importing DUL) as something weaker. 

That is (new) SSN as "Rec" and the (new, separated, as yet unnamed but in the namespace http://www.w3.org/ns/ssn/dul/) alignment ontology  as "Note inW3C parlance". 
Furthermore, I would be surprised if we did not want to pack other stuff into that Note as well (or separate Notes?) that correspond to other optional extras around SSN.

@Scott, how does this sit with you and OGC?

-----Original Message-----
From: Phil Archer [mailto:phila@w3.org] 
Sent: Wednesday, 20 April 2016 5:23 PM
To: Kerry Taylor <kerry.taylor@anu.edu.au>; Scott Simmons <ssimmons@opengeospatial.org>
Cc: Spatial Data on the Web Working Group <public-sdw-wg@w3.org>
Subject: Re: SSN -- publishing dolce alignment separately

It depends (of course).

Let me check I've understood you correctly. SSN should be a standard, complete with implementation experience. DUL is an optional extension that you don't want to put through the full standardisation process but you need it to be published in a stable, persistent, citable form.

That would be a Rec and a Note in W3C parlance.

The W3C documents will almost certainly have short URIs of https://www.w3.org/TR/vocab-ssn/ https://www.w3.org/TR/vocab-dul/

And the namespace files are already in place of course at http://www.w3.org/ns/ssn/ http://www.w3.org/ns/ssn/dul/



On 20/04/2016 01:19, Kerry Taylor wrote:
> The SSN subgroup decided this morning that there are things (most particularly at this point, the DUL alignment) that we would like to publish *with* ssn but clearly not part of the "recommendation/standard".  Can you please advise us of the appropriate mechanism for this?
> In particular with DUL, which was "built-in" to the orginal ssn we have disentangled it to make it "optional" and we prefer that part of (the previous) ssn does not carry the weight or obligations of a standard.
> --Kerry


Phil Archer
W3C Data Activity Lead

+44 (0)7887 767755
Received on Wednesday, 20 April 2016 09:55:09 UTC

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