- From: Krzysztof Janowicz <janowicz@ucsb.edu>
- Date: Wed, 22 Feb 2017 11:16:01 -0800
- To: Maxime Lefrançois <maxime.lefrancois@emse.fr>, Armin Haller <armin.haller@anu.edu.au>, Raphaël Troncy <raphael.troncy@eurecom.fr>, "public-sdw-wg@w3.org" <public-sdw-wg@w3.org>
- Message-ID: <afe2f920-e27e-0df2-ca33-015c43b1daad@ucsb.edu>
On 02/22/2017 03:47 AM, Maxime Lefrançois wrote: > Dear Armin, Jano, all > > The confusion you just made about which namespace System is defined in > is very unfortunate, > > It illustrates perfectly the kind of confusion that I would like to > avoid for our end users. I think we should not use a typo Armin made to make a point like this. This was not an issue of confusion, but simply a typo. > > If you two are confused once or twice with these two different > namespaces, how often do you think our end users will be confused ? > > We are defining terms in one or the other namespace following some > logic that the lambda users will not grab at first. > > This is the main reason why I strongly encourage the choice of a > unique namespace, may it be SOSA or SSN. For exactly this reason I would strongly favor two namespaces which is also the de-facto solution. Best, Jano > > To me,semantics and redirection issues should be put aside for now, as > they are tiny technical questions with respect to the aforementioned > usability issue. > > Kind regards, > Maxime > > > Le mer. 22 févr. 2017 à 03:39, Armin Haller <armin.haller@anu.edu.au > <mailto:armin.haller@anu.edu.au>> a écrit : > > Krzysztof, thanks for pointing that out! That was indeed a > mistake, it should have read sosa:Platform and ssn:System. There > is no sosa:System in our current proposal. But tomorrow it is all > about the vote on the mechanics of the namespace for SOSA and SSN. > > On 22/2/17, 11:27 am, "Krzysztof Janowicz" <janowicz@ucsb.edu > <mailto:janowicz@ucsb.edu>> wrote: > > Just to avoid confusion. Armin is talking about ssn:System, not > sosa:System (which does not exist). The concept that does > exist in SOSA > is sosa:Platform. > > > On 02/21/2017 03:56 PM, Armin Haller wrote: > > Hi Raphaël, > > > > Thanks for your comment! In fact, the wiki is so detailed on > the mechanics is because we *only* want to vote on the mechanics > of the namespace issue tomorrow. The classes/properties that are > shown are only exemplative. We have separate issues around the > Platform and System class (i.e. > https://www.w3.org/2015/spatial/wiki/Platform). In fact, there is > a sosa:System and all current proposals under consideration in the > Platform/System issue do retain a sosa:System class in the core. > Please do ignore the modelling of those classes for tomorrow’s vote. > > > > Once we have come to a decision on the *mechanics* on how to > deal with namespaces we can tackle the remaining issues with the > architecture of the integration (see also > https://www.w3.org/2015/spatial/wiki/Proposals_for_rewriting_SSN), > i.e. essentially a decision on *reuse of classes/properties only > in SSN* or *equivalence/subclass/-property relationships in SSN to > SOSA classes/ property*. > > > > Cheers, > > Armin > > > > On 22/2/17, 10:24 am, "Raphaël Troncy" > <raphael.troncy@eurecom.fr <mailto:raphael.troncy@eurecom.fr>> wrote: > > > > Dear Armin, all, > > > > > If you have an opinion on this, please do have a > close look at the two > > > options on our Wiki page that outline the > implementation implications of > > > each option: > https://www.w3.org/2015/spatial/wiki/NamespaceIssue > > > > I think that the two options are insufficiently > described in order to > > make an informed decision (sections 3.1 and 3.2). There > is a lot of text > > explaining the mechanics of content negotiation which > is sort of obvious > > for anyone who is familiar with the linked data > concepts. On the > > contrary, there is insufficient information on the bulk > of the issue, > > i.e. what (concepts and properties) is defined where, > what is re-used, > > what is being further defined with more axioms between > SOSA and (new) SSN. > > > > In the current option 1, one can only see the > definition of a > > sosa:Platform in the sosa namespace, while this concept > is further > > axiomatized in ssn.ttl using the concept of ssn:System. > Does this mean > > that there is no sosa:System? > > > > I wish that the wiki page was not distracted by all the > mechanics of > > trivial content negotiation and linked data terms > dereferencing, and > > instead, focus on what is defined where precisely and > exhaustively. > > Best regards. > > > > Raphaël > > > > -- > > Raphaël Troncy > > EURECOM, Campus SophiaTech > > Data Science Department > > 450 route des Chappes, 06410 Biot, France. > > e-mail: raphael.troncy@eurecom.fr > <mailto:raphael.troncy@eurecom.fr> & raphael.troncy@gmail.com > <mailto:raphael.troncy@gmail.com> > > Tel: +33 (0)4 - 9300 8242 <tel:04%2093%2000%2082%2042> > > Fax: +33 (0)4 - 9000 8200 <tel:04%2090%2000%2082%2000> > > Web: http://www.eurecom.fr/~troncy/ > <http://www.eurecom.fr/%7Etroncy/> > > > > > > > -- > Krzysztof Janowicz > > Geography Department, University of California, Santa Barbara > 4830 Ellison Hall, Santa Barbara, CA 93106-4060 > > Email: jano@geog.ucsb.edu <mailto:jano@geog.ucsb.edu> > Webpage: http://geog.ucsb.edu/~jano/ > <http://geog.ucsb.edu/%7Ejano/> > Semantic Web Journal: http://www.semantic-web-journal.net > > > -- 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, 22 February 2017 19:17:07 UTC