RE: Question about the SSN-DUL alignment

Thanks to Maria (UPM) for spotting this error in the SSN ontology!
It's now fixed. 

Laurent 

-----Original Message-----
From: Compton, Michael (ICT Centre, Acton) 
Sent: Friday, 5 November 2010 10:24 AM
To: Raúl García Castro
Cc: Krzysztof Janowicz; Lefort, Laurent (ICT Centre, Acton); María Poveda
Subject: Re: Question about the SSN-DUL alignment

Hi,

You are quite right, it's meant to be

>  - dul:isLocationOf
>    - ssn:attachedSystem
>  - dul:hasLocation
>    - ssn:onPlatform


I'll fix and repost the ontology.

Thanks!
Michael



On 05/11/2010, at 3:54 , Raúl García Castro wrote:

> Hi,
>
> One colleague from the group (María) has been taking a look to the
> ontology and has noticed something that we don't know whether it is in
> purpose or not.
>
> We have the following property hierarchy in the ontology:
>  - dul:isLocationOf
>    - ssn:onPlatform
>    - ssn:attachedSystem
>
> And we also have that ssn:onPlatform and ssn:attachedSystem are  
> inverse
> properties.
>
> In DUL, dul:isLocationOf is inverse of dul:hasLocation.
>
> This makes that, when applying reasoning, the two SSN properties are
> subproperties of both dul:isLocationOf and dul:hasLocation, which  
> sounds
> quite strange (and may be an unexpected modelling problem).
>
> Maybe the point is to replicate the inverse pattern from DUL in the  
> SSN
> ontology and define the property hierarchies as:
>  - dul:isLocationOf
>    - ssn:attachedSystem
>  - dul:hasLocation
>    - ssn:onPlatform
> or vice versa?
>
> What do you think?
>
> Kind regards,
>
> -- 
>
> Dr. Raúl García Castro
> http://delicias.dia.fi.upm.es/~rgarcia/
>
> Ontology Engineering Group
> Dpto. de Lenguajes y Sistemas Informáticos e Ingeniería de Software
> Universidad Politécnica de Madrid
> Campus de Montegancedo, s/n - Boadilla del Monte - 28660 Madrid
> Phone: +34 91 336 36 70 - Fax: +34 91 352 48 19

Received on Friday, 5 November 2010 15:14:20 UTC