Re: [Tracker] A question regarding to tracker

[Philip Van Hoof <spam pvanhoof be>]

On Tue, 2010-02-23 at 14:52 +0800, Zheng, Huan wrote:
> Thanks a lot, I will try it.
> Another question: how can I get all MediaListEntry of <urn:uuid:image-album-1> in one SPARQL SELECT since 
> there might be nfo:position xxx images inside one album.

For example something like this:

SELECT ?position ?image nie:title (?image)
WHERE { 
        <urn:uuid:image-album-1> nfo:hasMediaListEntry ?entry .
        ?entry nfo:content ?image ;
               nfo:position ?position 
}


> -----Original Message-----
> From: Ivan Frade [mailto:ivan frade gmail com] 
> Sent: Tuesday, February 23, 2010 2:44 PM
> To: Zheng, Huan
> Cc: tracker-list gnome org
> Subject: Re: [Tracker] A question regarding to tracker
>
> hi Huan,
>
>  you should use Uris to link the things (in this case images in an
> album) instead of syntactic matching of text.
>
>  i cannot check the ontology now, but your image album should look
> more or less like this:
>
> #images already available in tracker
> <urn:uuid:image-1> a nmm:Image .
> <urn:uuid:image-2> a nmm:Image .
>
> <urn:uuid:image-album-1> a nmm:ImageList ;
>                            nie:title "holidays in cancun".
>
> <urn:uuid:image-album-1> nfo:hasMediaListEntry [ a nfo:MediaListEntry;
> nfo:position 1; nfo:content <urn:uuid:image-1>] .
> <urn:uuid:image-album-1> nfo:hasMediaListEntry [ a nfo:MediaListEntry;
> nfo:position 2; nfo:content <urn:uuid:image-2>] .
>
> regards,
>
> ivan
>
> On 2/23/10, Zheng, Huan <huan zheng intel com> wrote:
> > Hi, I have a question regarding to tracker, wondering if someone could help
> >
> > The requirement is: generate Image Album with some rules(picture taken
> > time/location), and store this information in tracker.
> >
> > I have come up with a solution, but I'm not sure if it is the best.
> >
> > For album storing, I will INSERT nmm:ImageList into tracker and set its
> > nie:title to some name, let's say "ImageAlbumA".
> > And for those images that belong to this album, I will create a tag for
> > those images and set the tag's nao:prefLabel to "ImageAlbumA".
> >
> > Is there a better way?
> > Anyone played with nfo:mediaListEntry property before? Is it possible for me
> > to create a nmm:ImageList and set its nfo:mediaListEntry to a bunch of image
> > files?
> > Thanks!
> _______________________________________________
> tracker-list mailing list
> tracker-list gnome org
> http://mail.gnome.org/mailman/listinfo/tracker-list

-- 
Philip Van Hoof, freelance software developer
home: me at pvanhoof dot be 
gnome: pvanhoof at gnome dot org 
http://pvanhoof.be/blog
http://codeminded.be