Thanks, Felix. This PDF of the MAB to MARC may be enough. I'll report  
back after I've looked at it more closely.

The best way to see the OL fields is to look in
   http://openlibrary.org/type/

The key types are:

http://openlibrary.org/type/author/
http://openlibrary.org/type/work/
http://openlibrary.org/type/edition/

Edward seems to think we can work with the RDF data, as shown here:
    
https://wiki1.hbz-nrw.de/pages/viewpage.action?pageId=1802465#RDF-ISO2709-eineRDF-Serialisierungf%C3%BCrISO2709-basiertebibliografischeFormate%28MARC%2CMAB%29-Beispiele%2FExamples

And I'm assuming that the numeric fields listed here are the MAB field names:

<rdfmab:field#200b_a> "Symposium Aristotelicum <7, 1975, Cambridge>" .
<rdfmab:field#331__a> "Aristotle on mind and the senses" .
<rdfmab:field#335__a> "proceedings of the 7. Symposium Aristotelicum" .
<rdfmab:field#359__a> "ed. by G. E. R. Lloyd ..." .

Am I right about that? If so, I'll mock up a quick table and will post  
it for all to look at, to be sure that I interpreted the fields  
correctly.

Thanks again!
kc

Quoting Felix Ostrowski <[email protected]>:

> Hi Karen,
>
>> I will need to figure out a translation from MAB fields/subfields to the OL
>> fields. A translation table from MAB to MARC (or MARC to MAB) would work, or
>> a description of the MAB data elements (preferably in English, otherwise I
>> hope I can rely on you where my dictionary fails me).
>
> I'd be glad to help mapping MAB to OL fields, or actually converting
> the RDF/2709 data to something that is compatible with OL. There is a
> translation table from MAB to MARC available from the German National
> Library at [1], but in some cases it does not precisely map all
> fields, because "our data passes through an interface that is based on
> MARC21 before it is published. Some fields are renamed in this
> process" ([2]).
>
> I'm pretty new to OL, especially from a technological point of view.
> You mention the "OL fields". What exactly are these? Is there some
> sort of native format? The only documentation I have found so far is
> [3], where it says to "use an available bibliographic standard.
> Examples of such standards are MARC21, UniMARC & ONIX". Can
> RDF-serialization also be imported (presuming that subject and author
> ids are resolved)? Or is it better to dig right into writing a Python
> processor for RDF/2709?
>
> Cheers,
> Felix
>
> [1] http://www.d-nb.de/standardisierung/pdf/mab-englisch.pdf
> [2]   
> http://wiki1.hbz-nrw.de/display/SEM/Converting+the+Open+Data+from+the+hbz+to+BIBO
> [3] http://openlibrary.org/data
>



-- 
Karen Coyle
[email protected] http://kcoyle.net
ph: 1-510-540-7596
m: 1-510-435-8234
skype: kcoylenet

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