Hi Robin,

Thank you for your insight into this.  Does qualified DC terms not count 
strictly as DC?  For example, does 'contributor.corporate' for a corporate 
author not strictly count as DC for 'contributor'?  This is something that's 
not clear to me from dublincore.org.

Thanks again,
-Simon 

-----Original Message-----
From: Robin Taylor [mailto:[email protected]] 
Sent: Monday, May 09, 2011 1:32 AM
To: Brown, Simon Contractor, Digital Consulting Services
Cc: [email protected]
Subject: Re: [Dspace-tech] Conflict with mixing metadata schemas and batch 
ingest

Hi Simon,


> 1)     That DSpace uses the unique name of the metadata schema as the
> prefix for metadata elements but we would rather have the ‘dc’ prefix
> for any Dublin Core metadata whether from the default or custom
> metadata schemas.
> 

The short answer is, don't do it :) The prefix 'dc' represents the
Dublin Core namespace in DSpace. Its impossible to have 'dc' represent 2
different namespaces. In addition, Dublin Core is a published standard
with a fixed set of terms. Over the years DSpace's metadata registry has
become a little polluted with terms that are not strictly DC but if
anything the intention would be to tidy that up and encourage people to
use other schema for non DC terms. I would strongly urge you to use
something other than DC for non-DC terms. Its always nice if you can
find another published standard that fits your needs but you can always
define a local one if none are available. Probably not what you wanted
to hear, sorry. 

> 2)     While you can mix metadata elements for an item from multiple
> schemas in manual submission, for the batch ingest you can only
> specify a single schema for the batch.

I haven't used this in recent times but I thought you could mix schema.
I know there are lots of references to the 'Dublin Core metadata' in the
code but I thought that was just a hangover from the days when only
Dublin Core was used, and in fact you could mix metadata schema. have
you tried this out ?

Cheers, Robin.



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