W3C home > Mailing lists > Public > public-xg-ssn@w3.org > December 2009

Re: ISSUE-2 (All processes are systems): All processes are systems [sensor ontology - http://mmisw.org/orr/#http://www.w3.org/2009/SSN-XG/Ontologies/SensorBasis.owl - 09.12.15 ]

From: Luis Bermudez <bermudez@sura.org>
Date: Tue, 22 Dec 2009 14:40:00 -0500
Message-ID: <56b27e7e0912221140y7b3159a6xb31841c37555f8cf@mail.gmail.com>
To: Manfred Hauswirth <manfred.hauswirth@deri.org>
Cc: Michael Compton <Michael.Compton@csiro.au>, Semantic Sensor Network Incubator Group WG <public-xg-ssn@w3.org>
Hi Manfred,

On Tue, Dec 22, 2009 at 2:30 PM, Manfred Hauswirth <
manfred.hauswirth@deri.org> wrote:

>
> Luis Bermudez wrote:
>
> [...]
>
>
>  So I think this still holds  true:
>>  - Some devices are sensors - because they have an output
>> - Some devices are systems - because they have components
>>  But if you wnat to propose other statements which make the system
>> composition more explict, please do so.
>>
>
> I think we run into "2 names meaning the same thing" problem here.
> Following your definition, let's say I have a device which is a system which
> again is a component of another system. So we name the same thing
> "component" and "system". The "problem" seems to be hierarchical
> composability. In my domain I would not call a data structure  which is
> composed of data structures anything else but a data structure. Maybe I see
> this too narrow, but it confuses me.
>


I think some are suggesting that all devices are systems. In simple words:
Device <= System

I am OK with this.. are you ?

....


>
> Cheers,
>
> Manfred
>
>
> --
> Prof. Manfred Hauswirth
> Digital Enterprise Research Institute (DERI)
> National University of Ireland, Galway (NUIG)
> http://www.manfredhauswirth.org/
>


- Luis

-- 
Luis Bermudez Ph.D.
Coastal Research Technical Manager
Southeastern Universities Research Association (SURA)
bermudez@sura.org - Office: (202) 408-8211
1201 New York Ave. NW Suite 430, Washington DC 20005
Received on Tuesday, 22 December 2009 19:40:36 GMT

This archive was generated by hypermail 2.2.0+W3C-0.50 : Tuesday, 22 December 2009 19:40:36 GMT