[Koha-bugs] [Bug 10662] Build OAI-PMH Harvesting Client

[bugzilla-daemon at bugs.koha-community.org]

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=10662

--- Comment #49 from Leif Andersson <leif.andersson at sub.su.se> ---
(In reply to David Cook from comment #47)
> Leif and Andreas:
> 
> If I understand correctly, your main use case for matching would be to make
> sure that records previously imported from the union catalogue aren't
> duplicated when you start using OAI-PMH, yes?
> 
> In that case, would matching on the 001 be suitable? 
> 

If we are only importing from one source, 001 would be fine.
But if we will be using several sources for our imports, then relying on 001
would sooner or later result in a "false matcning" where we end up having one
record overwritten by a totally different one.

How reliable would it be to add in 003?
In MARC21 003 is the alphanumeric "MARC code for the organization whose control
number is contained in field 001".
I don't know how this fits UNIMARC, though.

David suggested in a mail (to Koha devel list) to move field 001 to 035.
Or even 001 + 003 to 035
In doing so some refinements could be done to this matching point (e.g.
normalization, if 003 is empty then add what we know about the exporting
catalog etc)

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