Re: [urn] DOI URN namespace registration

"Henry S. Thompson" <ht@inf.ed.ac.uk> Mon, 25 May 2020 12:52 UTC

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To: "Hakala\, Juha E" <juha.hakala@helsinki.fi>
Cc: "Dale R. Worley" <worley@ariadne.com>, John Levine <johnl@taugh.com>, "urn\@ietf.org" <urn@ietf.org>
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From: "Henry S. Thompson" <ht@inf.ed.ac.uk>
Date: Mon, 25 May 2020 13:52:20 +0100
In-Reply-To: <DB7PR07MB5110EB6820FBF02B27F8485FFAB30@DB7PR07MB5110.eurprd07.prod.outlook.com> (Juha E. Hakala's message of "Mon\, 25 May 2020 11\:26\:49 +0000")
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Subject: Re: [urn] DOI URN namespace registration
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Hakala, Juha E writes:

> ...

> Juha: Handle and DOI are different identifier systems although they
> share the same technical base. DOI system is administered by
> International DOI Foundation, and they have the mandate to register a
> URN namespace for DOI (and asked me to help in the process). Handle
> system and Handle specifications are managed by DONA Foundation, and
> they have not required registration of a URN namespace for Handles.

I'm not fussed about the character issue, but I am slightly perplexed
about whether we're talking about a URN namespace or a URI scheme.

In empirical work based on the Common Crawl archive, we've found
substantial use of 'doi' as a URI scheme, despite it's not being
registered.

For example, in 4 monthly samples between 2014 and 2017 we found 100s of
thousands of 'doi:...' URIs in "meta content='...'" or "a href='...'" 
contexts, compared to 10s of millions of 'http(s)://(dx.)doi.org'.

I think it makes at least as much sense to register 'doi' as a URI
scheme as it does to register it as URN namespace...

ht
-- 
       Henry S. Thompson, School of Informatics, University of Edinburgh
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