Hi Peter:
This looks great and we'll have a closer look, since we are likewise in a 1.8
local upgrade process and would like to 'normalize' the CC License
representations.
A few cursory observations in the meantime:
I see the task sets the metadata fields, but does not delete the (now
presumably unneeded) CC bitstreams. They are tiny, but I suppose there is a
remote possibility that the metadata field and the bitstream could come to
differ, and there would be some head-scratching.
I like the optimization for running over entire sites. In fact, more recent
curation work has generalized your approach so that any task can be run against
a DB-query (or index search):
see
https://github.com/richardrodgers/mds/blob/master/kernel/src/main/java/org/dspace/curate/ObjectSelector.java
and
https://github.com/richardrodgers/mds/blob/master/kernel/src/main/java/org/dspace/curate/selector/QuerySelector.java
Thanks again,
Richard R
On Dec 27, 2012, at 2:22 PM, Peter Dietz wrote:
Hi All,
I was wondering if I could get some feedback from people who have been using
Creative-Commons licensing before-and-after DSpace 1.8 (when the REST API
licensing rewrite was added to DSpace).
In 1.7 and below, when viewing an Item, it looks for a bitstream in the
CC-LICENSE bundle, and tries to grad the URI from the appropriate bitstream,
upon page load.
In 1.8 and later, when viewing an Item, the license metadata gets added to a
CC-Name and a CC-URI metadata field. The UI just points to those metadata
fields to indicate the proper license.
This leaves one with a "legacy" problem, as mentioned in the 1.8 release notes.
DS-964<https://jira.duraspace.org/browse/DS-964> Rewrite of Creative Commons
licensing<https://wiki.duraspace.org/display/DSDOC18/Configuration#Configuration-ConfiguringCreativeCommonsLicense>
for XMLUI
* Better integrates the Creative Commons licence selection into the
submission process
* Legacy problem – do we update old license to new or not? Currently MIT
runs 'split version' with old licenses looking like old, and new look like new.
Provided by MIT.
So, we have just started to roll out our upgrade to 1.8 locally, (we're a
little late to the party), and we're not happy with being stuck with a legacy
problem. So I was wondering if anyone has done anything to their items to
address this situation.
For us, we've built a Curation-Task to migrate the old Items with CC-License to
fill in their CC-Name and CC-URI metadata fields.
You can take a look at the code for it if you are interested.
https://github.com/osulibraries/DSpace/blob/osukb/dspace-api/src/main/java/org/dspace/ctask/general/CreativeCommonsMetadataMigration.java
It essentially gets ran once during the upgrade, goes through all Items in your
repository with a CC-LICENSE bitstream, extracts the LICENSE-URI from a
bitstream, compares that with a locally maintained table of license options,
and fills in CC-NAME and CC-URI metadata fields. (We've chosen
dc.rights.cc<http://dc.rights.cc/> and dc.rights.ccuri). I've run into
performance issues on running a curation task recursively over the entire
site-level, and had to make some optimizations to the distribute method, but it
runs pretty well now.
Peter Dietz
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