RE: Is the same video but in different encodings the owl:sameAs?

Martynas,

This document may give you some of the rationales behind this decision:

  http://wiki.whatwg.org/wiki/Why_not_conneg


Cheers,
Markus


--
Markus Lanthaler
@markuslanthaler



> -----Original Message-----
> From: Martynas Jusevičius [mailto:martynas@graphity.org]
> Sent: Thursday, December 05, 2013 10:52 PM
> To: Thomas Steiner
> Cc: Milorad Tosic; public-lod@w3.org
> Subject: Re: Is the same video but in different encodings the
> owl:sameAs?
> 
> Thomas,
> 
> then the HTML5 controls don't make sense, in my opinion, as the defeat
> the purpose of content negotiation. It's hard for me to take that
> specification seriously anymore.
> 
> You could have a single video resource URI and choose the
> representation format based on Accept headers. You need to have
> explicit media type metadata in your example, then it should be enough
> to implement this approach:
> 
>   <http://videos.example.org/#video> a ma:MediaResource ;
>     ma:title "Sample Video" ;
>     ma:description "Sample Description" ;
>     ma:locator <http://ex.org/video> ;
>     dct:hasVersion <http://videos.example.org/#video.mp4> ,
> <http://videos.example.org/#video.ogv> .
> 
>   <http://videos.example.org/#video.mp4> ma:format
> <http://mediatypes.appspot.com/video/mp4> .
>   <http://videos.example.org/#video.ogv> ma:format
> <http://mediatypes.appspot.com/video/ogg> .
> 
> 
> Martynas
> graphityhq.com
> 
> On Thu, Dec 5, 2013 at 8:31 PM, Thomas Steiner <tomac@google.com>
> wrote:
> > Hi Milorad,
> >
> > Unfortunately content negotiation in the HTTP sense is not an option
> with
> > HTML5 video, as the "content negotiation" in a sense is taken care of
> by the
> > browser. In my initial mail, check the link on the @currentSrc
> attribute. If
> > you want to support all browsers on all platforms and device types,
> you have
> > to specify several sources in different encodings. So you almost
> always end
> > up with several media resources for the "same" video, hence my
> original
> > question.
> >
> > Cheers,
> > Tom
> >
> >
> > --
> > Thomas Steiner, Employee, Google Inc.
> > http://blog.tomayac.com, http://twitter.com/tomayac
> >
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Received on Thursday, 5 December 2013 22:48:21 UTC