Re: [Handle-info] Handle identifier and URN - what about the slash?

[Eric Auer <eric.auer@mpi.nl>]

Hi Jakob,

> I know - everything is an URI but this does not help that much. URNs do
> also exist and I am asked to create URNs *and* handles, so I'd like to
> encode my handles in an URN namespace like is it used in DOI. I'm still
> unsure whether and where to encode the slash in a handle if I make an
> URN out of it. If you say that just prefixing the handle with "urn:hdl:"
> is a common way and fine to make an URN than it's ok.

For the URI, I would prefer hdl:... no opinion about urn:hdl:, as
we do not use generic URNs here.

> But the fact that CORDIS own handle id is not accessible via the
> handle.net resolver does not make a good impression:
>
> http://hdl.handle.net/2000.01/FFEE9F72B00C4189B137ECD34188B94E

It does work for me, strange...

> This brings me to a simple but basic question about Handle: where is
> the main registry? How can I find out which naming authorities exist?

You can use a handle query:

http://hdl.handle.net/0.NA/2000.01

The 0.NA/2000.01 handle tells you the properties of the
naming authority for 2000.01/.... handles. But I know no
way of getting a list of 0.NA/*, and have the idea that
this is intentional. The people at

http://hdl.handle.net/0.NA/0.NA

can calculate that list, though ;-)

Eric




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