> Is there any reason that user-defined aliases couldn't be added via
> the fedora.cfg for example? It seems like a very reasonable facility .

Yes, actually that's one nice-to-have that didn't make it for 2.0.
But look for it in the next release.

- Chris

-----Original Message-----
From: Chris Tomlinson [mailto:ct@moonvine.org]
Sent: Fri 2/11/2005 3:28 AM
To: Chris Wilper
Cc: fedora-users@comm.nsdl.org
Subject: RE: [Fedora-users] Resource Index question #3

Hello,

Thanks for the reply.

Is there any reason that user-defined aliases couldn't be added via the fedora.cfg for example? It seems like a very reasonable facility .

Thanks again,
Chris

>
>Hi Chris,
>
>The aliases you can use are 1) those that are pre-defined or 2) those
>that
>can be declared on a per-query basis, if supported by the query language
>you're using.
>
>iTQL and SPO don't support per-query alias declarations.  RDQL does, via
>the
>USING clause -- see
>http://www.hpl.hp.com/semweb/doc/tutorial/RDQL/#URI%20Prefixes  
>
>We hope to eventually support the SPARQL language as it matures, and it
>also
>has a provision for per-query aliases ("prefix" declarations, I believe
>they
>call them).
>
>- Chris
>
>-----Original Message-----
>From: fedora-users-bounces@comm.nsdl.org on behalf of Chris Tomlinson
>Sent: Thu 2/10/2005 8:05 PM
>To: fedora-users@comm.nsdl.org
>Subject: [Fedora-users] Resource Index question #3
>
>Hello,
>
>The "alias" capability is implemented in ResourceIndexImpl.java but
>there doesn't seem to be any web services interface for an application
>to register an alias for a namespace that it uses. This means that
>queries must be written in terms of fully spelled out property
>designations.
>
>Is there a programmatic means of registering an alias for a user defined
>namespace?
>
>Thanks, Chris
>
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