- From: Tobias Bürger <tobias.buerger@sti2.at>
- Date: Tue, 26 May 2009 15:30:21 +0200
- To: Pierre-Antoine Champin <pierre-antoine.champin@liris.cnrs.fr>
- CC: Media Annotation <public-media-annotation@w3.org>
your proposal sounds good. I would augment the definition with an explicit mentioning of the distinction of information resource vs. non-information resource to refer to the abstract notion of a movie or the binary encoding. Pierre-Antoine Champin wrote: > Following Sylvia's answer to the question about our terminology, I > propose that : > > we replace the 3 definitions of media entity, resource and > representation by a single definition of 'media resource', that would > look like: > > Media Resource: any Resource (as defined by [URI]) related to a > media content. Note that [URI] points out that a resource may be > retrievable or not. Hence, this term encompasses the abstract notion > of a movie (e.g. Notting Hill) as well as the binary encoding of this > movie (e.g. the MPEG-4 encoding of Notting Hill on my DVD), or any > intermediate levels of abstraction (e.g. the director's cut or the > plane version of Notting Hill). Although some ontologies (FRBR, BBC) > define concepts for different such levels of abstraction, our ontology > does not commit to any classification of media resources. > > I think the benefits are the following: > > 1) we drop the controversial term 'entity' > 2) we are compatible with MFWG (who refer to [URI] as well) > 3) we acknowledge the fact that there are several levels of abstraction, > but at the same time... > 4) we are consistent with our decision not to formalize them (w.r.t. > that, 'resource' vs. 'representation' was such a formalization, though > minimal) > > I recall below the definition of 'resource' from [URI]. Note that they > use (without defining it, though), the term 'entity', which is somewhat > more "concrete" than 'resource'. I believe that this definition provides > the generality that we are seeking with 'entity', and I guess the more > restrictive meaning that we gave to 'resource' in the current definition > is what makes Sylvia think it is incompatible with the definition below. > > pa > > > from [URI] http://www.faqs.org/rfcs/rfc2396.html : > > Resource > A resource can be anything that has identity. Familiar > examples include an electronic document, an image, a service > (e.g., "today's weather report for Los Angeles"), and a > collection of other resources. Not all resources are network > "retrievable"; e.g., human beings, corporations, and bound > books in a library can also be considered resources. > > The resource is the conceptual mapping to an entity or set of > entities, not necessarily the entity which corresponds to that > mapping at any particular instance in time. Thus, a resource > can remain constant even when its content---the entities to > which it currently corresponds---changes over time, provided > that the conceptual mapping is not changed in the process > > > > > -- _________________________________________________ Dipl.-Inf. Univ. Tobias Bürger STI Innsbruck University of Innsbruck, Austria http://www.sti-innsbruck.at/ tobias.buerger@sti2.at __________________________________________________
Received on Tuesday, 26 May 2009 13:31:04 UTC