Hi Srijan,
Copying back in dspace-tech on this discussion. It's best to keep this
on the listserv, as this discussion could also be helpful to others.
(Plus others may have additional ideas for how you could implement this
in DSpace)
I'd actually recommend *against* creating non-standard 'dc' (Dublin
Core) fields (as we no longer encourage that in your local DSpace
instance). Rather, you may want to create your own custom
'music/recording' metadata schema (or base it on an existing metadata
schema that is already out there).
DSpace supports metadata fields of the form:
[schema].[field].[qualifier]
What you choose as your 'schema' is up to you. But, I'd recommend
against pushing everything into the 'dc' schema, as this really isn't
basic Dublin Core anymore. So, if you called your schema 'local', you
could do something like:
local.contributor.drummer
local.contributor.pianist
Or you could even do:
local.instrumentalist.drummer
local.instrumentalist.pianist
You could also replace 'local' with 'music' or 'recording' or whatever
you feel is the most appropriate name for this custom metadata schema.
As for MODS mapping, generally speaking, you should be able to map any
[schema].[field].[qualifier] value into any MODS field. To see how this
is done, take a look at the [dspace]/config/crosswalk/mods.properties
file. This is the file that defines all the crosswalks to MODS. It just
maps an internal DSpace metadata field to its appropriate output in MODS.
Hopefully that helps,
- Tim
On 6/17/2011 12:51 AM, Srijan Deshpande wrote:
That's bad news, Tim, but thanks!
So in that case my only alternative would be to use
dc.contributor.singer. While this sounds ok, my problem is this: I also
need to use dc.contributor.instrumentalist but then there would be no
way to tell which instrument that person is playing in that recording.
I suppose I'll have to use a custom qualifier like
dc.contributor.drummer or dc.contributor.pianist.
I was hoping I could go the whole hog and have either
dc.contributor.instrumentalist.drummer or dc.contributor.instrumentalist
- John Doe:drummer - but apparently neither is an option in DSpace!
Suppose I used dc.contributor.drummer - Would there be a way to map this
in mods to contributor.instrumentalist with a role of 'drummer' ?
Thanks,
Srijan
On Friday 17 June 2011 at 1:54 AM, Tim Donohue wrote:
Hi Srijan,
Unfortunately, at this point in time DSpace doesn't look for any special
punctuation in any metadata fields. So, it wouldn't be able to treat
John Doe:singer any differently than just John Doe, or John
Doe:editor.
At this time, there is also not way to parse John Doe:singer to the
appropriate MODS file on export. The MODS export functionality just
maps DSpace fields to MODS fields. So, it could map a custom field
called mods.contributor.singer to a particular MODS role, but it
wouldn't be able to parse out special punctuation.
Let us know if that doesn't make sense.
- Tim
On 6/11/2011 1:32 AM, Srijan Deshpande wrote:
Hello, quick metadata question:
I need to capture each dc.contributor's role in my item metadata in
dspace - since DSpace doesn't support heirarchical metadata, can I use
punctuation, as suggested
athttp://www.loc.gov/standards/mods/dcsimple-mods.html
http://www.loc.gov/standards/mods/dcsimple-mods.html to list each
contributor's role?
So my dc.contributor field would have a value like 'John Doe:singer'
This way if I have to export this data in the future, I could export it
to a MODS file correctly, including role information, right?
Also, is there a way to parse this information and customize how it is
displayed in search results / item pages?
Thanks,
Srijan Deshpande
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