Re: [Exist-development] Metadata in eXist

[Thomas W. <tho...@gm...>]

Adam,

I like the idea of metadata axis. Your proposal for name/value pairs is
simple and it can accommodate most of variations we may need.

2010/7/28 Adam Retter <ad...@ex...>

> >        MarkLogic implementation is interesting and a good starting point,
> but I guess it does not allow attaching binary contents as metadata, which
> is a limitation. Some scenarios can be, for instance, a JPEG image stored in
> eXist could have some metadata in XML describing its EXIF properties
>
> Accessing this metadata at the moment is possible via the image xquery
> extension module.
>

Actually the the existing image module gives vary limited metadata: hight,
width and image type.
It will really love to have all EXIF properties of an image as searchable
metadata fields.


>
> > , and binary metadata like a thumbnail, and SVG or XSL-FO documents could
> also have as binary metadata a thumbnail.
>
> Well my proposal was to use the XQuery datatypes, so then the user could
> set metadata to be base64binary data if desired.

 --
> Adam Retter
>

What will be the format of the metadata if we request all available pairs?
May be an element with all metadata pairs as attributes.

Thomas