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Re: Updated SOSA core RE: SOSA core - procedures vs devices

From: Krzysztof Janowicz <janowicz@ucsb.edu>
Date: Tue, 26 Jul 2016 22:34:32 -0700
To: Simon.Cox@csiro.au, armin.haller@anu.edu.au, jlieberman@tumblingwalls.com
Cc: danh.lephuoc@tu-berlin.de, public-sdw-wg@w3.org, kerry.taylor@anu.edu.au
Message-ID: <c0e5291b-b1c5-41e3-c9a9-b90f7dcac82b@ucsb.edu>
> Yes – fair enough – I certainly respect that.
>
> (Though not sure if it is a clincher, yet.) 

I am working on it. To give you a preview, we cannot state that classes 
are disjoint nor that their *interpretations* are /proper/ subsets.  
This means that in this particular case we have not really said 
anything. More later. I am not against subclasses in Core in general, 
just trying to figure out what we need and what we can move into another 
module.

Jano



On 07/26/2016 10:30 PM, Simon.Cox@csiro.au wrote:
>
> ØEssentially, it shows that we do not generate any new entailment.
>
> Yes – fair enough – I certainly respect that.
>
> (Though not sure if it is a clincher, yet.)
>
> *From:*Krzysztof Janowicz [mailto:janowicz@ucsb.edu]
> *Sent:* Wednesday, 27 July 2016 2:47 PM
> *To:* Cox, Simon (L&W, Clayton) <Simon.Cox@csiro.au>; 
> armin.haller@anu.edu.au; jlieberman@tumblingwalls.com
> *Cc:* danh.lephuoc@tu-berlin.de; public-sdw-wg@w3.org; 
> kerry.taylor@anu.edu.au
> *Subject:* Re: Updated SOSA core RE: SOSA core - procedures vs devices
>
> Hi Simon,
>
>
>     But definitely the order in that hierarchy should be resolved.
>
>
> My argument in issue 309 (https://github.com/w3c/sdw/issues/309) was 
> about hierarchies in general. I am not against having such hierarchy 
> of activities, I am just questioning whether we need this in SOSA-core 
> compared to another module. I have a nice formal argument for that and 
> will write it up later. Essentially, it shows that we do not generate 
> any new entailment.
>
> Jano
>
>
> On 07/26/2016 03:28 PM, Simon.Cox@csiro.au <mailto:Simon.Cox@csiro.au> 
> wrote:
>
>     Currently Sensing is a subclass of Observing (or Observation),
>     which is a subclass of Activity. That was my proposed ordering –
>     seeing ‘sensing’ as a subset of ‘observing’ to be consistent with
>     OGC usage, where ‘Observation’ covers not only sensing but also
>     forecasting, simulation, human-observing (which is a combination
>     of sensing and application of knowledge).
>
>     But if we really have a tabula rasa, then we should consider the
>     best terminology and correct hierarchy – maybe ‘estimating’ is a
>     more general term.
>
>     But definitely the order in that hierarchy should be resolved.
>
>     Simon
>
>     *From:*Armin Haller [mailto:armin.haller@anu.edu.au]
>     *Sent:* Wednesday, 27 July 2016 7:58 AM
>     *To:* janowicz@ucsb.edu <mailto:janowicz@ucsb.edu>; Cox, Simon
>     (L&W, Clayton) <Simon.Cox@csiro.au> <mailto:Simon.Cox@csiro.au>;
>     jlieberman@tumblingwalls.com <mailto:jlieberman@tumblingwalls.com>
>     *Cc:* danh.lephuoc@tu-berlin.de
>     <mailto:danh.lephuoc@tu-berlin.de>; public-sdw-wg@w3.org
>     <mailto:public-sdw-wg@w3.org>; Kerry Taylor
>     <kerry.taylor@anu.edu.au> <mailto:kerry.taylor@anu.edu.au>
>     *Subject:* Re: Updated SOSA core RE: SOSA core - procedures vs devices
>
>     The proposal we arrived to now looks good to me.
>
>     The only change, where I second Simon is, that we should rename
>     Actuation to Actuating. That is then aligned to Sensing and also
>     implies an Activity. The same applies to Observation which I would
>     rename Observing. Although, I am not sure if we need the Observing
>     class in the core if we have Sensing anyway.
>
>     *From: *Krzysztof Janowicz <janowicz@ucsb.edu
>     <mailto:janowicz@ucsb.edu>>
>     *Reply-To: *"janowicz@ucsb.edu <mailto:janowicz@ucsb.edu>"
>     <janowicz@ucsb.edu <mailto:janowicz@ucsb.edu>>
>     *Date: *Wednesday, 27 July 2016 6:34 am
>     *To: *"Simon.Cox@csiro.au <mailto:Simon.Cox@csiro.au>"
>     <Simon.Cox@csiro.au <mailto:Simon.Cox@csiro.au>>, Armin Haller
>     <armin.haller@anu.edu.au <mailto:armin.haller@anu.edu.au>>,
>     "jlieberman@tumblingwalls.com
>     <mailto:jlieberman@tumblingwalls.com>"
>     <jlieberman@tumblingwalls.com <mailto:jlieberman@tumblingwalls.com>>
>     *Cc: *"danh.lephuoc@tu-berlin.de
>     <mailto:danh.lephuoc@tu-berlin.de>" <danh.lephuoc@tu-berlin.de
>     <mailto:danh.lephuoc@tu-berlin.de>>, "public-sdw-wg@w3.org
>     <mailto:public-sdw-wg@w3.org>" <public-sdw-wg@w3.org
>     <mailto:public-sdw-wg@w3.org>>, Kerry Taylor
>     <kerry.taylor@anu.edu.au <mailto:kerry.taylor@anu.edu.au>>
>     *Subject: *Re: Updated SOSA core RE: SOSA core - procedures vs devices
>
>     I made some cosmetic changes and pushed them to github. I am going
>     to make another series of changes that are a bit bigger and thus
>     will leave them in
>     https://github.com/w3c/sdw/blob/kjanowicz-ssn/ssn/rdf/sosa.ttl for
>     now until we agree on them. Most of this is from our last
>     discussion about procedures and platforms.
>
>     Jano
>
>     On 07/18/2016 10:01 PM, Simon.Cox@csiro.au
>     <mailto:Simon.Cox@csiro.au> wrote:
>
>         I’ve just pushed an update to the SOSA Core ontology
>
>         https://github.com/w3c/sdw/tree/simon-ssn/ssn/rdf
>
>         in particular
>         https://github.com/w3c/sdw/blob/simon-ssn/ssn/rdf/sosa.ttl
>
>         This includes the hierarchy shown on the wiki page
>         https://www.w3.org/2015/spatial/wiki/SOSA_Ontology
>
>         I’ve cleaned up the class names a bit, and added documentation
>         on all elements.
>
>         Simon
>
>     -- 
>
>     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 <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, 27 July 2016 05:35:15 UTC

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