PLEASE let’s continue this discussion at
https://github.com/dbpedia/extraction-framework/issues/341
From: Dimitris Kontokostas [mailto:jimk...@gmail.com]
The mappings extractor can't handle nested templates:
http://sourceforge.net/p/dbpedia/mailman/message/32867924/ .
As I said in another thread, it is very trivial to change but needs testing...
any volunteers from the community?
I can provide an adapted version of the code and also dumps but someone needs
to look at the data
Sure: Boyan can deploy it locally, and I’ll look at the data.
Gimme test cases (AT THE URL above). So far I got:
* Film_date (https://github.com/dbpedia/mappings-tracker/issues/46)
* Elvis should be Person, MilitaryPerson and MusicalArtist
(https://github.com/dbpedia/extraction-framework/issues/341)
Is the logic "pick one out of several disjoint classes" documented precisely
somewhere? And use cases/test cases? @jcsahnwaldt?
I don't know but I have an uneasy feeling about such logic. If templateA says
classA and templateB says classB, seems to me the extractor itself can't make
an intelligent decision to drop one of them.
* Either the maps are correct and both classes should be emitted (and what an
ontologist thought are disjoint classes, the data proves are not)
* Or a map needs to be fixed (eg Listen is not a class but an
IntermediateNodeMapping with class Sound and relation soundRecording)
* Or a template is wrongly applied (eg in bgwiki, "Musical Artist" was
mis-applied to "BG at the World Cup 1994")
Don't see room for Artificial Intelligence here ;-)
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