Re: [Handle-info] Handle as PID :Was: Please help me understand the value of Handle

[Sean Reilly <sreilly@cnri.reston.va.us>]

On Mar 28, 2007, at 2:42 PM, Konstantin Rekk wrote:
> Is there any working demonstration for a use case including general
> type/value pairs? May be using the proxy (or extending it) by  
> providing
> get-attributes within request
> A theoretical example: providing urn and not url, something like
> http://hdl.handle.net?type=urn -> gives a urn-redirect (if browser
> supports it) -
> one thinkable application (don't know if that makes sense) of this  
> could
> be to store handles for resources which are provided by external
> repositories and which
> are using urns;
> instead of urn one could also use ppn (production numbers) for the
> library catalog entry, so handle system would provide a two  
> directional
> link between digital object and catalog entry ...

Hi Konstantin,

Some of the parameters that can be passed to the proxy are described  
here:
  http://www.handle.net/proxy.html

There are also additional parameters that the proxy understands, some  
of which are supported and some are not (meaning they could go away  
or how they work could change).

One parameter that I think is supported is "type," as in your  
example.  So you can tell the proxy to resolve handle values that  
have a type that is provided in the URL.  For example, if you want to  
resolve the handle 200/0 and redirect to the value with the type of  
"URL.A" then you can do:
  http://hdl.handle.net/200/0?type=URL.A

You can also give it the type URN:
  http://hdl.handle.net/200/0?type=URN

but the proxy currently doesn't understand that URN is a redirect- 
able type so it just displays the value instead of sending an HTTP  
redirect.  The proxy will currently send an HTTP redirect for values  
with type URL or that start with "URL."

I think this list is a good place to post and discuss additional  
features that you'd like to see, in case the feature described above  
don't cover your needs.

Thanks,
Sean

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