Re: Re: "Enclosures" anyone?

I put forward some ideas in a couple of message here a while back:

http://groups.yahoo.com/group/rss-dev/message/6618
http://groups.yahoo.com/group/rss-dev/message/6625

Ian

On 01/11/2004 15:36, Danny Ayers wrote:
> Ok, I found it. Suzan Foster has a schema for media "enclosures" with
> RSS 1.0 feeds (announcement [1]). Example usage below, more
> explanation in blog post [2]. As much metadata as you like, all
> following established standards.
> 
> This module is already supported by Dave Beckett's Raptor parser
> toolkit [3] (along with RSS tag soup, Atom 0.3 as well as full support
> for all the RDF vocabs like FOAF, RSS 1.0, Dublin Core, DOAP and OWL
> and other RDF serialisations like Turtle and NTriples (I'm looking
> forward to it being able to feed cats)).
> 
> Mainstream blog tool/aggregator support should follow soon, this is
> low-hanging fruit. "Enclosures" are perfect microcontent material, but
> the restrictions of a domain-specific format like RSS 2.0 limit the
> data-sharing potential. But RSS 1.0 breaks right out of that,
> demonstrating it's extension capability.
> 
> A bit of Googling suggests this has massive potential beyond
> 'Podcasting' - it seems plenty of work has been done on describing
> multimedia with RDF (e.g. an mpeg ontology [4]) , and I believe
> virtually all media formats have room for embedded metadata along the
> lines of Adobe's XMP [5].
> 
> Cheers,
> Danny.
> 
> [1] http://lists.usefulinc.com/pipermail/redland-dev/2004-November/000684.html
> [2] http://dannyayers.com/archives/2004/11/01/rss-10-enclosures/
> [3] http://lists.usefulinc.com/pipermail/redland-announce/2004q4/000024.html
> [4] http://archive.dstc.edu.au/RDU/staff/jane-hunter/semweb/paper.html
> [5] http://www.adobe.com/products/xmp/main.html
> 
> Example usage - if this were the RSS 2.0 :
> 
> <item>
>    ...
>    <enclosure type="foo/bar" length="65536" url="http://foo.bar/baz"/>
> </item>
> 
> the RSS 1.0 would be:
> 
> <rss:item>
>    ...
>    <enc:enclosure>
>      <enc:Enclosure>
>        <enc:type>foo/bar</enc:type>
>        <enc:length>65536</enc:length>
>        <enc:url>http://foo.bar/baz</enc:url>
>      </enc:Enclosure>
>    </enc:enclosure>
> </rss:item>
> 
> Note that the length and type are optional - you can add just as much
> or as little data as you like.
> 



 
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