- From: Felix Sasaki <fsasaki@w3.org>
- Date: Thu, 06 Nov 2008 15:16:06 +0900
- To: Rubén Tous <rtous@ac.upc.edu>
- CC: public-media-annotation@w3.org
Hi Ruben, Rubén Tous さんは書きました: > > Dear Werner, all, > > thanks to all for your comments. I see a certain consensus regarding > the need of a limitation in the complexity of the processing history > metadata (Werner, Pierre-Antoine, Felix and Veronique) and I also > agree with you because the goal of the group is multimedia metadata > interoperability, not modelling. I also see that some of you agree in > the need of having at least the possibility (not the obligation as > pointed by Pierre-Antoine) to keep some information (Werner talks > about the contributors, Veronique and Victor talk about separating > idea/work/instance). If you agree, as suggested by Raphaël, I will add > a tentative Use Case in the Wiki with a revised version of my initial > idea in order to help the discussion. I think that is a very good idea - including your example below ;) Felix > Pierre-Antoine suggested generalizing this issue to any kind of media, > but maybe we can keep the use case as is for the discussion and later, > if any new requirement arises, generalize the requirement. > > Working in the use case a funny example came to my mind. Try to find > in your favourite images search engine (e.g. Google Imanges) the image > of a tattoo inspired in a famous painting (without using the name of a > specific painting). > > Best regards, > > Ruben > > > ----- Original Message ----- From: "Bailer, Werner" > <werner.bailer@joanneum.at> > To: <vmalaise@few.vu.nl>; "Ruben Tous" <rtous@ac.upc.edu> > Cc: <public-media-annotation@w3.org> > Sent: Tuesday, November 04, 2008 5:50 PM > Subject: AW: [new use case suggestion] Use Case - Digital imaging > lifecycle > > > > Dear Ruben, Veronique, all, > > I'm not sure about the inclusion "historic metadata" (actual I would > suggest to use the term processing metadata or processing history > metadata instead): This information can be quite detailed, specific to > tools applied (e.g. settings, parameters), and is quite low-level > information. > > The set of people/organisations contributing to the creation of the > media item (P_Meta uses the term "contributor", as this might involve > less creative contributors such as movie producers) is relevant and I > support Veronique's proposal. If necessary the type of contribution > could be quite fine-grained in a certain application, without > hindering other applications to deal with the concept of a generic > creator. > > Best regards, > Werner > > -----Ursprüngliche Nachricht----- > Von: public-media-annotation-request@w3.org im Auftrag von > vmalaise@few.vu.nl > Gesendet: Di 04.11.2008 11:34 > An: Felix Sasaki > Cc: Rubén Tous; public-media-annotation@w3.org > Betreff: Re: [new use case suggestion] Use Case - Digital imaging > lifecycle > > > Quoting Felix Sasaki <fsasaki@w3.org>: > > Dear all, > > I also do think that our ontology should not go in too many details, > but allow > placeholders for other schemas to fit in: having one generic "creator" > property/tag, and giving the possibility to scheme that are more > refined to > extend this single property/tag into "conceptual creator" and "concrete > realisator of the piece". On the other hand, if we go for a > description model > that keeps the distinction between the idea (the idea of a movie for > example), a > realisation (one adaptation by a director) of the work and instances > (a video > tape/DVD), it is possible to attach a property/tag of "creator" at all > these > levels. the seamtic would be the agregation between the level of > description > (idea/work/instance) and the role (creator). > But of course, this is just an idea, open to criticism... or approval :) > What do you think? > > Best, > Veronique > >> >> Hello Ruben, all, >> >> as you said below, in some formats like EXIF there is no separation >> between "historic" and metadata of the resource, and in others there is. >> Again I think we need to decide: how many details do we want to take >> into account? I think for metadata interoperability, the EXIF+others >> approach from the metadata WG is sufficient. What do you think? >> >> Felix > > >> >> >> Rubén Tous ã.ã,"ã¯æ>¸ãã¾ã-ãY: >> > >> > Dear all, >> > >> > it make sense to me to cover all the three main media categories >> > (video, still images and audio) as a hole or as three separated parts. >> > >> > However, the intention of my example was not so ambitious, it was just >> > related to what in DIG35 (cited in the PhotoUC) is named "History >> > Metadata": >> > >> >> From Section 3.2.4 in DIG35 >> > (http://xml.coverpages.org/FU-Berlin-DIG35-v10-Sept00.pdf) : >> > >> > "For example, history may include certain processing steps that have >> > been applied to an image. Another example of a history would be the >> > image creation events including digital capture, exposure of negative >> > or reversal films, creation of prints, transmissive scans of negatives >> > or positive film, or reflective scans of prints. All of this metadata >> > is important for some applications. To permit flexibility in >> > construction of the image history metadata, two alternate >> > representations of the history are permitted" >> > >> > I think that EXIF and other formats mix this concept with the metadata >> > of the resource (e.g. the Exposure Time field in EXIF) but others like >> > DIG35 or MXF and AAF (Part 15 of >> > http://www.aafassociation.org/html/specs/aafobjectspec-v1.1.pdf talks >> > about Physical Essence) make a clear differentiation. >> > >> > What about a "History Metadata" Use Case? >> > >> > Best regards, >> > >> > Ruben >> > >> > ----- Original Message ----- From: <vmalaise@few.vu.nl> >> > To: "VÃfÂctor RodrÃfÂguez Doncel" <victorr@ac.upc.edu> >> > Cc: "Felix Sasaki" <fsasaki@w3.org>; "Pierre-Antoine Champin" >> > <swlists-040405@champin.net>; "RubÃf©n Tous" <rtous@ac.upc.edu>; >> > <public-media-annotation@w3.org> >> > Sent: Tuesday, November 04, 2008 9:58 AM >> > Subject: Re: [new use case suggestion] Use Case - Digital imaging >> > lifecycle >> > >> > >> >> >> >> Dear all, >> >> >> >> How about this solution: we could group a number of use cases under >> >> the "media" >> >> category, as we already have an "audio" use case, and take into >> >> account in the >> >> ontology 1.0 only the requirements that overlap with others? The >> >> description of >> >> the use case would show what other aspects still need to be taken >> into >> >> consideration when aiming for still images description compatibility. >> >> >> >> Best, >> >> Veronique >> >> >> >> Quoting VÃfÂctor RodrÃfÂguez Doncel <victorr@ac.upc.edu>: >> >> >> >>> >> >>> Hello all, >> >>> >> >>> I think it should be distinguished between the user roles >> regarding >>> the >> >>> resource, and the user roles regarding the represented object. >> >>> Thus, the three kind of applications or roles defined by the >> >>> metadataworkinggroup (creator/changer/consumer) operate on the >> >>> resource >> >>> but may not match logically the role regarding the represented >> object. >> >>> >> >>> For example, the word "creator" is somewhat ambiguous because it may >> >>> refer to the role which creates materially the resource, or to the >> >>> actual artist which conceives an idea. Both "creators" do not >> >>> necessarily match. Have you thought about it? >> >>> >> >>> Regards, >> >>> VÃfÂctor RodrÃfÂguez Doncel >> >>> >> >>> >> >>> Felix Sasaki escribiÃf³: >> >>> > >> >>> > Pierre-Antoine Champin ãÂ.ã,"ã¯æ>¸ãÂÂã¾ãÂ-ãÂY: >> >>> >> Felix Sasaki a Ãf©crit : >> >>> >>> >> >>> >>> Hello Ruben, all, >> >>> >>> >> >>> >>> sorry for the late reply. Reading your proposal I think it is >> >>> >>> interesting for the photo use case. However I remember that we >> >>> >>> discussed at the f2f meeting about the focus of the Working >> Group, >> >>> >>> and most of the people want it to be video, with the >> possibility >>> >>> to >> >>> >>> take other use cases into account if their requirements overlap >> >>> more >> >>> >>> or less with video.I am a bit worried that your description >> is too >> >>> >>> far away from that use case. What do others think? >> >>> >> >> >>> >> >> >>> >> Although the examples given by RubÃf©n are quite specific to >> still >> >>> >> images, it seems to me that a similar kind of concern exist for >> >>> >> video: video can be digitalized from analog media, captured by >> >>> >> digital devices or generated; they can be altered in several ways >> >>> >> (re-encoding, subtitling, montage...). >> >>> > >> >>> > Good point. I think an implementation of this is to separate >> actors >> >>> > or roles like creator, changer and consumer. This is what the >> >>> metadata >> >>> > working group deliverable does, see section 2 of >> >>> > http://www.metadataworkinggroup.com/pdf/mwg_guidance.pdf >> >>> > However what you are mentioning and what Ruben describes sounds >> to >>> > me >> >>> > rather like a requirement than a use case, that is the >> requirement >>> > to >> >>> > take such roles into account for relating various metadata >> >>> > vocabularies. What do you think? >> >>> > >> >>> > Felix >> >>> > >> >>> > >> >>> > >> >>> >> >>> >> >>> >> >> >> >> >> >> >> >> >> >> >> > >> > >> >> >> >> > > > > > > > > > > > > >
Received on Thursday, 6 November 2008 06:16:46 UTC