Hi Mark, Richard and Robin, thanks so much for all the tips and
suggestions.
Yes, it is going to be a one-time transfer for us to move all content
from DSpace to Fedora/Islandora. Though manipulating AIP package is
an easier approach, I'm very interested in developing new crosswalks.
I need to discuss this with my boss today. Also, is there any plan
getting SWORDv2 services work for DSpace?
Thanks,
Ying
On Mar 28, 2012, at 9:23 AM, Mark Diggory wrote:
Yes, as Robin and Richard point out. You can create your own
crosswalks/packagers. Hypothetically one could try to enable the
AIP Packager through SWORD. You could then expose the AIP via
interface and write tools against the full set of metadata. However
it sounds like Ying is attempting something that is a one time
transfer of all content from DSpace to Fedora/Islandora. I'd
recommend focusing on getting everything out of DSpace into a file
system, then massaging it into the state needed for import into
Fedora. Using SWORD itself for this is not necessarily of great
importance. Though, in the future, enabling such round-tripping for
other migration cases would be of benefit to the community. This is
where the mapping Ying ultimately does may be of interest.
A tangent... I was just thinking about this over my morning
coffee... SWORDv2 does describe an atomic process for putting and
getting individual media resources in its specification.
http://sword-app.svn.sourceforge.net/viewvc/sword-app/spec/tags/sword-2.0/SWORDProfile.html?revision=377#protocoloperations_retrievingcontent_feed
This could represent the basic API layer for a DSpace storage
service to be bound to any SWORDv2 (possibly any APP service) as its
store. I this regard, Richards point about getting SWORDv2 services
for Fedora worked out would be a great benefit to the whole DSpace/
Fedora initiative.
Cheers,
Mark
On Wednesday, March 28, 2012, Robin Taylor wrote:
Just to expand a little - I think the default metadata schema when
creating a Mets package from DSpace is Mods. In theory if the Fedora
Sword Server claims to accept Mets packages conforming to the DSpace
Mets SIP Profile
(https://wiki.duraspace.org/display/DSPACE/DSpaceMETSSIPProfile) it
should be able to deal with the incoming Mods metadata, in practice it
may expect the metadata to conform to SWAP
(http://www.ukoln.ac.uk/repositories/digirep/index/Eprints_Application_Profile
).
DSpace does allow you to specify the crosswalk for a metadata schema
when creating the Mets package, so you could change it to create SWAP
compliant metadata. However, as Mark points out, the existing SWAP
crosswalk is fairly skeletal. You do have the option of expanding that
crosswalk or adding a new one if none of the existing crosswalks meet
your needs.
Cheers, Robin.
On 27/03/12 21:22, Ying Jin wrote:
> Hi,
>
> I'm working on our DSpace repository and trying to migrate items
from
> DSpace to Fedora (we are going to use Islandora). It looks like
SWORD
> might be a good approach. Here is the question from my testing
> migration -
>
> I exported an item using DSpace packager in METS format, and then
use
> Fedora Sword module to import the item to Fedora.
>
> First, I used METSDSpaceSIP packaging, and the ingested item shows a
> zip file only.
> Then I tried METS packaging and only content files are uploaded.
> Obviously, it can't understand dspace mets.
>
> I think METSDSpaceSIP packaging is the right way to go but it
doesn't
> seem to work properly. Is there anything I may need to setup for
> having this work?
>
> Thanks any suggestions and helps,
> Ying
>
> -------------------
> CDS@Rice University
>
>
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