[Koha] LC Name Authorities - Bulk upload LC database file into Koha Authorities module?

[Tomas Cohen Arazi]

There are (at least) two options:

- Make Koha handle more metadata formats (for authority records /
thesaurus) and have the tools extract the needed heading for the
bibliographic records
- Make Koha handle importing SKOS-core packages into its authority database.

Those could work IMO.

2016-01-29 12:11 GMT-03:00 James Weinheimer <weinheimer.jim.l at gmail.com>:

> On 1/27/2016 11:19 PM, Craig Butosi wrote:
>
>> I've been curious for a while now if anyone has successfully
>> bulk-uploaded into Koha (3.20 or newer) one of the free LC Name authority
>> database files available through the Library of Congress:
>> http://id.loc.gov/download/
>>
>> I wonder if it's even possible given the file formats in which these
>> files are available (n-triples, rdf/xml, Turtle, etc). It looks like some
>> sort of conversion would be required before uploading into the Koha
>> authorities module. It would be lovely to bulk upload a Name authority file
>> direct from LC rather than Z39.50'ing individual authorities.
>>
>
> This would be very positive. One of the problems is that the downloads
> available are not MARC, but are either MADS or SKOS. It seems as if
> converting these records to MARC would lose information, but I am not sure.
>
> To see what this means, look at the record "United States--History--Civil
> War, 1861-1865--Bibliography"
> http://id.loc.gov/authorities/subjects/sh2007100437.html. If you select
> RDF/XML (MADS and SKOS) (
> http://id.loc.gov/authorities/subjects/sh2007100437.rdf) this is what
> would need to be translated into MARC.
>
> The guidelines for mapping MARC to MADS are at
> http://www.loc.gov/standards/mads/mads-mapping.html, and it says "This
> mapping gives equivalencies between the MARC 21 Authority Format and MADS,
> but is not intended to be a crosswalk that allows for bi-directional
> conversions without some loss of data. Where there is no equivalent MARC 21
> element, this mapping says "no MARC 21 equivalent". Therefore, I assume
> there are some problems.
>
> I don't know if anybody has experience with this, but I don't think the
> problems would be trivial.
>
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-- 
Tomás Cohen Arazi
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