True, the GND properties should be considered as strings.
The PND identifiers have not changed during the transition to GND, so it should
be sure to map all of them to one property.
Cheers, Joachim
Von: Leander Seige [mailto:se...@ub.uni-leipzig.de]
Gesendet: Mittwoch, 12. Februar 2014 17:04
An: dbpedia-discussion@lists.sourceforge.net
Betreff: [Dbpedia-discussion] GND in DBpedia
Hello all,
I stumpled across some inconsistencies regarding the extraction of GND
identifiers. As you probably know, GND is a widely used authority database in
German-speaking Europe, containing information about millions of entities [1].
It would be great if we could sparqle for GND IDs in dbpedia in order to match
other GND-tagged data with dbpedia entities.
for instance check out:
http://de.dbpedia.org/page/Apnoetauchen
there seem to be two GND entries in this record:
dbpedia-owl:individualisedGnd = 4649698-1
(this property was once derived from the discontinued PND authority database)
and
prop-de:gnd = 4649698 (xsd:integer)
(another GND-lookalike property but with the "-1" cut off, due to casting it as
integer I guess.)
here is another record:
http://dbpedia.org/page/Johann_Wolfgang_von_Goethe
containing:
dbpprop:gnd = 118540238 (xsd:integer)
(third property, this time again as xsd:integer, but GND allows non-numeric
characters to be part of a GND ID, for instance a "-" or "X". this example is
correct but xsd:integer will fail on other ids containing non-numeric
characters)
I just wanted to point out these things for the moment. It would be great if we
could harmonize them sooner or later.
Best,
Leander
[1] http://en.wikipedia.org/wiki/Integrated_Authority_File
--
Leander Seige
Universitaetsbibliothek Leipzig
Leiter IT-Abteilung
Projektkoordinator finc
Beethovenstraße 6
04107 Leipzig
fon: +49 (0)341 9730612
mail: se...@ub.uni-leipzig.de<mailto:se...@ub.uni-leipzig.de>
http://www.ub.uni-leipzig.de
http://finc.info
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