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RE: Something altogether different?

• To: 'Ken North' <kennorth@s...>, 'XML Developers List' <xml-dev@l...>
• Subject: RE: Something altogether different?
• From: "Bullard, Claude L (Len)" <len.bullard@i...>
• Date: Tue, 26 Apr 2005 13:59:40 -0500

Yes.  Human annotation is always possible for adding 
the metadata but the other systems that use feature 
extraction are highly context or event type dependent 
as to the semantic of the features that can be 
extracted based on the physical characteristics that 
can be measured.  Generalization is possible but at 
the cost of precision of search.  Again, it 
comes down to tradeoffs of certainty and uncertainty. 

We can't get beyond Heisenberg.

I suspect that having automatic analysis systems isn't
far off though.  AFAICS, the technical barriers aren't 
significant and it comes down to usable reach for not 
very rich searching.

len

From: Ken North [mailto:kennorth@s...]

> >2. Yahoo has recently taken the RSS approach. Video RSS provides a text
> >description such as height, width, bitrate and running time:
> >http://www.webservicessummit.com/Channels/WebServicesSummitAudioVideo.rss
>
> Which is ok for knowing something about the coffee cup but not the coffee.

This is an example that goes to the heart of this thread.

There is an element for describing the video / audio program when you create
the
RSS feed. It's low tech and depends on human interpretation, but it's the
only
game in town until search engines offer automatic content analysis for video
and
audio.

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