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Re: SSN -- publishing dolce alignment separately

From: Krzysztof Janowicz <janowicz@ucsb.edu>
Date: Wed, 12 Oct 2016 09:29:48 -0700
To: Ghislain Atemezing-Pro <ghislain.atemezing@mondeca.com>, Kerry Taylor <kerry.taylor@anu.edu.au>, "public-sdw-wg@w3.org" <public-sdw-wg@w3.org>
Message-ID: <6c29bd4c-8cb7-23af-2183-5538e112b169@ucsb.edu>
Keep in mind that the work original known as DUL has moved in other 
directions (namely patterns). To the best of my recollection, DUL has 
not been maintained since 2010 or 2011 and there is (to the best of my 
knowledge) no governance structure in place. This broke the original SSN 
at some point (the URL went offline). If we want to have an official DUL 
alignment in whatever form, we should make sure we understand the issues 
and ontological commitments that come with it. What are the advantages 
of having a DUL alignment in the SSN domain?

Best,
Krzysztof

P.s. Btw, since about 3-4 weeks, we started to go in circles and revisit 
issues we discussed in March.


On 10/12/2016 01:01 AM, Ghislain Atemezing-Pro wrote:
> Hi all,
> +1 for having such alignments published separately but in the same 
> domain of SSN
>
> Best,
> Ghislain
>
> Le mer. 12 oct. 2016 à 00:40, Kerry Taylor <kerry.taylor@anu.edu.au 
> <mailto:kerry.taylor@anu.edu.au>> a écrit :
>
>     Reposting discussion on status of dolce alignment to the list as
>     it came up in ssn meeting today. Since then, and under Armin's
>     table presented today, another option would be to have the dolce
>     alignment (and other alignments) published as non-normative in the
>     rec-track/standard.
>     -Kerry
>
>     -----Original Message-----
>     From: Scott Simmons [mailto:ssimmons@opengeospatial.org
>     <mailto:ssimmons@opengeospatial.org>]
>     Sent: Wednesday, 20 April 2016 10:21 PM
>     To: Kerry Taylor <kerry.taylor@anu.edu.au
>     <mailto:kerry.taylor@anu.edu.au>>
>     Cc: Phil Archer <phila@w3.org <mailto:phila@w3.org>>; Spatial Data
>     on the Web Working Group <public-sdw-wg@w3.org
>     <mailto:public-sdw-wg@w3.org>>
>     Subject: Re: SSN -- publishing dolce alignment separately
>
>     Kerry,
>
>     Resending the content from my other response to you on this topic
>     for the consumption of the WG.
>
>     "In OGC, a few options are possible. If the SSN work is to become
>     an OGC standard, then DUL could be published as an extension (full
>     weight of a standard, but optional component), a Best Practice, or
>     a Discussion Paper. If SSN is to be a Best Practice, then it is
>     most appropriate to make DUL a Discussion Paper.”
>
>     Best Regards,
>     Scott
>
>     > On Apr 20, 2016, at 3:54 AM, Kerry Taylor
>     <kerry.taylor@anu.edu.au <mailto:kerry.taylor@anu.edu.au>> wrote:
>     >
>     >> 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?
>     > --Kerry
>     >
>     >
>     > -----Original Message-----
>     > From: Phil Archer [mailto:phila@w3.org <mailto:phila@w3.org>]
>     > Sent: Wednesday, 20 April 2016 5:23 PM
>     > To: Kerry Taylor <kerry.taylor@anu.edu.au
>     <mailto:kerry.taylor@anu.edu.au>>; Scott Simmons
>     <ssimmons@opengeospatial.org <mailto:ssimmons@opengeospatial.org>>
>     > Cc: Spatial Data on the Web Working Group <public-sdw-wg@w3.org
>     <mailto: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/
>     >
>     > HTH
>     >
>     > Phil.
>     >
>     > 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
>     > http://www.w3.org/2013/data/
>     >
>     > http://philarcher.org
>     > +44 (0)7887 767755 <tel:+44%207887%20767755>
>     > @philarcher1
>
> -- 
> --------------------------------------------
> Ghislain A. Atemezing, Ph.D
> R&D Engineer
> @ Mondeca, Paris, France
> Labs: http://labs.mondeca.com
> Tel: +33 (0)1 4111 3034
> Web: www.mondeca.com <http://www.mondeca.com>
> Twitter: @gatemezing
> About Me: http://atemezing.org


-- 
Krzysztof Janowicz

Geography Department, University of California, Santa Barbara
4830 Ellison Hall, Santa Barbara, CA 93106-4060

Email: jano@geog.ucsb.edu
Webpage: http://geog.ucsb.edu/~jano/
Semantic Web Journal: http://www.semantic-web-journal.net
Received on Wednesday, 12 October 2016 16:30:25 UTC

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