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Re: Next iteration of the RDF ontology

From: Mari Carmen Suárez de Figueroa Baonza <mcsuarez@fi.upm.es>
Date: Thu, 02 Dec 2010 17:17:17 +0100
Message-ID: <4CF7C68D.9000001@fi.upm.es>
To: "Evain, Jean-Pierre" <evain@ebu.ch>
CC: Pierre-Antoine Champin <pierre-antoine.champin@liris.cnrs.fr>, "public-media-annotation@w3.org" <public-media-annotation@w3.org>
Dear Jean-Pierre and all,

    I took a look to the ontology you sent on 15th November, and I have 
a pair of comments (maybe you have already discussed about them, sorry 
if this is the case).

- With respect to the Track class and its subclasses (AudioTrack, 
Captioning, VideoTrack), I would suggest to complete the comments for 
the subclasses, because as it is know is difficult to understand the 
meaning of them (for a newcomer). In this context I have a pair of 
doubts: is it AudioTrack the same as Segment? is it VideoTrack the same 
as Frame? is it Captioning the same as Subtitle? If so, could you 
consider to include these labels as synonyms of the existing classes?

- In the case of the relation called "isFragmentOf" (domain: 
MediaFragment; range: MediaResource), I was wondering if it would not be 
better to extend/modified the current modelling in order to avoid 
possible inconsistences (such as "an image having as a fragment a video 
track and an audio track").

Thank you very much in advance. Best Regards,

       Mari Carmen.

Evain, Jean-Pierre escribió:
> Dear all,
> Following the changes made during TPAC, we have been working with Pierre-Antoine and Tobias to improve the ontology and the mapping to the abstract ontology.
> The result of this work is attached. We will suggest a few changes to the abstract ontology to improve the logic of the semantic (date property structure) and also to improve interoperability with the MFWG specification (improving the mediaFragment structure).
> You will also notice that we are now more systematic in our approach illustrated by the removal of the contributor class hierarchy (which was there to mimic the abstract structure and help adoption) now implemented through properties. 
> Pierre Antoine will review the mapping table and we'll update the RDF according to the decisions we make tomorrow.
> Cheers, JP (also on behalf on Tobias and Pierre-Antoine)
> -----------------------------------------
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 Dr. Mari Carmen Suárez-Figueroa
 Teaching Assistant 

 Ontology Engineering Group (OEG)

 Departamento de Inteligencia Artificial
 Facultad de Informática
 Universidad Politécnica de Madrid
 Campus de Montegancedo, s/n
 Boadilla del Monte - 28660 Madrid

 Phone: (+34) 91 336 36 72
 Fax: (+34) 91 352 48 19
 e-mail: mcsuarez@fi.upm.es
 Office: 3205			
Received on Thursday, 2 December 2010 16:02:17 UTC

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