Claudia Jürgen created DS-1348:
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Summary: Item level versioning breaks persistence and lacks meta
information
Key: DS-1348
URL: https://jira.duraspace.org/browse/DS-1348
Project: DSpace
Issue Type: Bug
Components: XMLUI
Affects Versions: 3.0
Reporter: Claudia Jürgen
Priority: Major
At the moment the item level versioning breaks the concept of persistent
identifiers as an item gets a new handle assigned during versioning, e.g.
Create an item
-> it gets baseHandle/n
Version this item
-> the new version gets baseHandle/n
-> the original version gets baseHandle/n.1
Version it again
-> the new version gets baseHandle/n
-> the second version gets baseHandle/n.2
-> the original version gets baseHandle/n.1
and so on
With regards to relationship services and versioning (here is some information
about persistent identifier and value added services
http://www.ands.org.au/guides/persistent-identifiers-expert.html#_sec331)
relationship services can provide identifiers which encompass all versions of
an item. So it should be something like that
Create an item
-> the encompassing identifier baseHandle/n is created
-> the item gets an identifier baseHandle/n.1
-> the baseHandle/n encompasses baseHandle/n.1 and identifies it as the newest
and only version
Create a new version
-> the new version gets identifier baseHandle/n.2
-> the baseHandle/n encompasses baseHandle/n.1 and baseHandle/n.2 and points to
baseHandle/n.2 as the newest version
One other can of worms is how to handle the base identifier which encompasses
all the versions. It's like a container for items and not an item itself.
Metadata:
a) items not connected via metadata
The versioned items are not linked via metadata elements like hasVersion,
isVersionOf, replaces, isReplacedBy. So e.g. harvesting a versioned item via
OAI-PMH gives no clue, that it is versioned at all.
b) dc.date.issued does not change
Each version of an item got the same dc.date.issued
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