[rdfweb-dev] foaf:depicts and parts of an image

Libby Miller Libby.Miller at bristol.ac.uk
Fri Oct 10 11:40:38 UTC 2003

hi Masahide

We had a similar discussion in August on #foaf (thanks Dave for the
great new search facility!)


And we decided to add regionDepicts to the foaf vocabulary. I can't
actually see it in the specification though:


I'm not sure what happened there...Dan?

I actually think depicts would be fine with a bit of tweaking.



On Fri, 10 Oct 2003, Masahide Kanzaki wrote:

> Hi,
> I'm working on some image description and metadata methods, with an
> experimental vocabulary defined together with Jim Ley. It uses such terms
> as image:hasPart, image:Polygon and image:points to describe portions
> inside an image [1].
> Now, I want to add more machine readable description of a part, and try to
> use foaf:depicts as a property of image:Polygon.
> <foaf:Image rdf:about="http://kanzaki.com/norrington/...">
>  ...
>  <image:hasPart>
>   <image:Polygon>
>    <image:points>85,18 76,65 72,130 140,132 ...<image:points>
>    <dc:description>This is ...</dc:description>
>    <foaf:depicts>
>     <foaf:Person>
>      <foaf:name>Masahide Kanzaki</foaf:name>
>      <foaf:mbox rdf:resource="mailto:webmaster at kanzaki..."/>
>     </foaf:Person>
>    </foaf:depicts>
>   </image:Polygon>
>  </image:hasPart>
> </foaf:Image>
> This looks fine, however, I noticed that the domain of foaf:depicts is
> defined as foaf:Image. Then I wonder if 'a part of an image' could be a
> foaf:Image. Maybe ok, but foaf:Image is a subclass of foaf:Document, so
> this question is extended that whether a portion of a document could be a
> foaf:Document. I'm not sure...
> Can I use foaf:depicts here, or should use other terms such as a:annotates ?
> cheers,
> [1]http://jibbering.com/discussion/image.1
> --
> KANZAKI, Masahide a.k.a. masaka
> http://kanzaki.com/info/webwho.rdf
> mailto:webmaster(at)kanzaki.com
> #Please use above address for a personal mail
> #instead of post at kanzaki.com, which is for list only.
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