Re: [urn] DOI URN namespace registration

["Henry S. Thompson" <[e-mail]>]

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