[uf-new] hAudio ITEM/TRACK debate resolution

[Martin McEvoy]

On Sun, 2007-10-21 at 12:30 -0400, Manu Sporny wrote:
> Martin McEvoy wrote:
> > Could It be done  Like this?
> > 
> > <div class="haudio">
> > <div class="item">
> >     <span class="type" title="Release">
> >         <span class="fn">Best Before 1984</span>
> >     </span>
> >     By: <span class="contributor">Crass</span>
> > </div>
> >       <div class="item">
> >            <span class="fn">Nagasaki Nightmare</span>
> >            <span class="duration">4:46</span>
> >      </div>
> >       <div class="item">
> >            <span class="fn">Big A, Little A</span>
> >            <span class="duration">6:13</span>
> >      </div>
> > </div>
> > 
> > type titles can be Album, Release, Podcast, Chart, Toplist, even Episode
> > and Track  but would this be too restrictive? I think It may be a more
> > flexible approach than having class names for all these properties.
> 
> While I am a fan of doing it this way, it goes against one of the
> primary Microformat principles: "No hidden data!"
> 
> This is one of the main things that separate the Microformats approach
> from the RDFa approach. hAudio in RDFa[1] would mark up the previous
> example like so:
> 
>    <div about="#best-before-1984" instanceof="hmedia:Album">
>       <span property="dc:title">Best Before 1984</span>
>       By: <span property="dc:contributor">Crass</span>
>    </div>
> 
>    ...
> 
>    <span about="#best-before-1984" rel="hmedia:contains"
>          resource="#nagasaki-nightmare">
>       <div about="#nagasaki-nightmare" instanceof="hmedia:Recording">
>          <span property="dc:title">Nagasaki Nightmare</span>
>          <span property="hmedia:duration" content="PT4M46S">4:46</span>
>       </div>
>    </span>
>    ...
> 
>    <span about="#best-before-1984" rel="hmedia:contains"
>          resource="#big-a-little-a">
>       <div about="#big-a-little-a" instanceof="hmedia:Recording">
>          <span property="dc:title">Big A, Little A</span>
>          <span property="dc:duration" content="PT6M13S">6:13</span>
>       </div>
>    </span>
> 
> Note that with the RDFa approach:
> 
>  - The type is explicitly stated using @instanceof.
>  - There is slightly more hidden data with the RDFa approach.
>  - RDFa is more verbose.
>  - There is no need for nesting in RDFa to express containment.
>  - Items can be related to one another without nesting in RDFa.
> 
> So, while it is a good argument, Martin... it is an argument for RDFa,
> not an argument for the Microformats community.
> 
> The closest we can get to specifying type in the Microformats community
> is by either:
> 
> a) explicitly stating it, which we can't do with hAudio, or
> b) implicitly stating it, which is why we have ALBUM

I thought that the @title area is for giving hints to people? visible
data? and intended to be implicitly stated, not directly expressed. 
Explicitly was how I stated type In an earlier suggestion <span
class="type">Album</span>: which cant be done in hAudio I'm told so...?

Thanks

Martin

> 
> -- manu
> 
> [1] http://wiki.digitalbazaar.com/en/HAudio_RDFa
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