On 4/16/07, Quentin Mathé <[EMAIL PROTECTED]> wrote:
> Le 16 avr. 07 à 18:05, Jesse Ross a écrit :
>
> > Yeah -- File Type should be on the same level as, say, Creation
> > Date: metadata that is intrinsic to the Document itself. So, as far
> > as metadata, we have:
> >
> > Intrinsic/Automatic
> >  - Type (I think we can take a cue from the Spotlight screenshot
> > and use basically those types: http://images.macrumors.com/article/
> > 2007/04/12/Spotlight.jpg )
> >  - UTI (like type, but less human-readable)
>
> Both are only a single metadata. Each UTI has an associated human-
> readable description in the same way it has an array of associated
> extensions… this is visible in Apple spec.
> Behind the scene, you have an UTI db, you just query the db to know
> the various fields bound to a particular UTI.

  I would say it is probably the easiest way to support metadata
  on the file system instead of our own database.
  We just need to wait a file system to support it
  while we are busy on other stuff. :)

  Yen-Ju

>
> >  - Creator
>
> What do you mean by Creator? The application which 'owns' the
> document (most of time by creating it) or something different.
> If you mean the first case, it's probably better to call it Default
> Editor/Viewer (or simply Editor/Viewer). The user should be able to
> modify it.
> This won't be stored in term of metadatas strictly speaking, but like
> UTI description this would be stored in a specific db which relates
> each UTI to an Editor and a Viewer.
>
> >  - Creation Date
> >  - Last Modification Date
> >  - Last Accessed/Opened Date
> >  - File size
> >  - Other users/devices sharing this Document
>
> Not sure to understand. Mostly because you put users and devices
> together.
>
> >  - Projects this Document exists within
> >
> > User-specified
> >  - Tags
> >  - Important (per Gmail's 'star')
> >
> > Intrinsic/Automatic and User-specified
> >  - Other objects/documents this is related to (per Brian's
> > 'Related' section here: http://brian.muhumuza.googlepages.com/
> > working_with_objects.html )
> >
> >
> > Am I missing any other ones?
>
> - Comment/Description
> - URL
> - Owner (this is related to the next one)
> - Permissions
> - Version/Revision
> - Number of elements (in a folder or a project… may be also valid for
> a document if you consider all its components)
> - Persons/Contacts related to this element
>
> File size and Number of elements are not pure metadatas since they
> can be recomputed at any time for an object.
>
> All document-type specific metadatas like Authors, Copyright,
> Summary, Languages, Company and more for a text document. EXIF and
> IPTC for pictures. Ditto with sounds, videos.
>
> We should probably make some metadatas like Authors, Copyright
> available for any elements.
>
> Cheers,
> Quentin.
>
>
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