Debra
Fedora’s “own” DC datastream was only really intended to support admin use. At
the moment the Fedora DC datastream is of necessity “inline XML” which means it
gets cached as part of the FOXML object (3.4 will allow it to be “managed”, I
believe). If the datastream gets big, and worse – gets versioned, all that
junk gets cached and could eventually affect performance. If you want to
deliver a DC datastream, better to define a new/extra one called tufts_DC or
something and deliver that; make it of type “managed” or “external” so that it
is not cached with the object FOXML and the size of the DC isn’t an issue.
FYI: we use the proai service which is a bit of a brute to set up but fine once
you've done it!
Richard
___________________________________________________________________
Richard Green
Consultant to the University of Hull IT Systems Group
managing the CLIF, b...@h and Hydra (Hull) Projects
http://edocs.hull.ac.uk
http://www.hull.ac.uk/clif
http://blacklightathull.wordpress.com
https://fedora-commons.org/confluence/display/hydra
-----Original Message-----
From: Deborah Kaplan [mailto:[email protected]]
Sent: 27 July 2010 6:22 PM
To: Jim Kane
Cc: [email protected]
Subject: Re: [Fedora-commons-users] OAI output
On Tue, 27 Jul 2010, Jim Kane wrote:
> We are getting Dublin Core output, which is fair enough, but we are
> wondering if there is any way of incorporating the content location of
> the object in fedora into the DC that is shown in the OAI-PMH ( via
> the default provider, not the proai based provider)
We're getting started with this as well, and we've gotten a very strong message
from Duraspace folks that we shouldn't be delivering the oai-dc datastream
because it should be for internal use only and we shouldn't be overloading it.
Given that, if I understand your question correctly, we are putting our handle
which is our content location in the dc:identifier field (which you can't do in
the oai-dc datastream, but you can do in your own personalized dc data stream).
Separately, I'll be interested to see if you have success with the default
provider, because we've also gotten the strong impression that everybody who
has had success has been using the proai provider, and we've just given up on
trying to get the default provider working. We haven't heard many success
stories with the default provider on this list, for one thing.
-Deborah
--
Deborah Kaplan
Digital Resources Archivist
Digital Collections and Archives
Tufts University
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