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cc-metadata - Re: Fwd: Multiple encodings & ccvalidator

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Subject: discussion of the Creative Commons Metadata work

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  • From: Mike Linksvayer <ml AT creativecommons.org>
  • To: discussion of the Creative Commons Metadata work <cc-metadata AT lists.ibiblio.org>
  • Subject: Re: Fwd: Multiple encodings & ccvalidator
  • Date: Mon, 25 Oct 2004 22:36:15 -0700

Sylvain ZIMMER wrote:
The musicbrainz thing doesn't seem like a solution to me because they say
it's only 95% accuracy.

Are you thinking of TRM IDs, which asre based on matching acoustic fingerprints? Those are used by certain MB tools to help identify tracks, but a MB track id is a GUID (assigned big random number, not content derived) and should be unique for a given track.

So what other kinds of canonical URI do you propose ?

Can't we embed some standardized cc-track-id in one of the tags of the
file, and put

<Work about="http://example.com/mysong.mp3";>
<dc:identifier rdf:resource="urn:cctrackid:ABC..." />
</Work>

(the cctrackid being, I don't know, the sha1 of a .wav file or something unique ?)

mysong.mp3 being one of the locations of the track, in one encoding, but
that wouldn't be checked by the validator.

The hash of a .wav file would only be canonical for that .wav file. A useful bit of information, but for the purposes of serving as a canonical identifier for other encodings of a track (icluding slightly different .wav files) it would essentially just be another assigned big random number.

--
Mike Linksvayer
http://creativecommons.org/about/people#21





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