You should also setup the following file with the 'nl' key configuration
core/src/main/scala/org/dbpedia/extraction/config/mappings/DisambiguationExtractorConfig.scala
you must define the language-specific token used by Wikipedia in the
article title (e.g. " (disambiguation)" for the English Wikipedia
You could also contribute this back to the framework so as to be included
in the next release (patch or mail)
Cheers,
Dimitris
On Fri, Jun 15, 2012 at 5:41 PM, Pablo Mendes <[email protected]> wrote:
> Can you show us your extraction.properties? I suspect you forgot the line
> below?
>
> languages=nl
>
> I am also not sure if you should have fully qualified
> (org.dbpedia.extraction.mappings.DisambiguationExtractor) or just the class
> name (DisambiguationExtractor).
>
> Cheers,
> Pablo
>
> On Fri, Jun 15, 2012 at 1:43 PM, Meij, L.K. van der <[email protected]
> > wrote:
>
>>
>> I am trying to set up dbpedia-spotlight for the Dutch language. There are
>> some datasets available for Dutch (nl),
>> but I expect to at least need the dbpedia "disambiguation" dataset, which
>> is not available for download.
>>
>> After setting up extraction_framework for "nl" and doing :
>> editing extraction.properties: reoving all extractors.** except:
>> extractors.nl
>> =MappingExtractor,org.dbpedia.extraction.mappings.DisambiguationExtractor,HomepageExtractor,ImageExtractor,\
>> InterLanguageLinksExtractor)
>>
>> $ cd dump;mvn scala:run
>> I get an error message:
>> ..
>> INFO: Mappings loaded (nl)
>> java.lang.reflect.InvocationTargetException
>> ..
>> Caused by: java.util.NoSuchElementException: key not found: nl
>> at scala.collection.MapLike$class.default(MapLike.scala:225)
>> at scala.collection.immutable.HashMap.default(HashMap.scala:38)
>> at scala.collection.MapLike$class.apply(MapLike.scala:135)
>> at scala.collection.immutable.HashMap.apply(HashMap.scala:38)
>> at
>> org.dbpedia.extraction.mappings.DisambiguationExtractor.<init>(DisambiguationExtractor.scala:22)
>>
>> I assume this means that some classes have not been implemented for
>> "nl"?
>>
>> If so, I would like to know if such an effort is on the way or whether
>> it would be feasible for me to give it a try?
>> Is there some pointer/documentation on how to get started?
>>
>> Thanks,
>>
>> Lourens
>>
>>
>> ==================
>> DETAILS OF WHAT I DID
>>
>>
>> I managed to install the extraction_framework. The documentation seems
>> a bit out of date though so it could be I
>> did things wrong.
>> I managed to download the "nl" wikipedia input by editing dump.properties
>> and doing
>> $ cd dump; mvn scala:run -Dlauncher=download
>> *
>> *
>> *Extraction started when* commenting out all
>> other "extraction.**=" entries in dump/extraction.properties leaving only
>>
>> extractors.nl=MappingExtractor
>>
>> and running
>>
>> $ mvn scala:run
>> The output indicates that extraction proceeds nicely.
>>
>> But I expect that in the result the "disambiguation" result will be
>> missing.
>>
>> When I replace extractors.nl (analoguous to other languages):
>>
>> extractors.nl
>> =MappingExtractor,org.dbpedia.extraction.mappings.DisambiguationExtractor,HomepageExtractor,ImageExtractor,\
>> InterLanguageLinksExtractor
>>
>> I get error messages mentioned above.
>>
>>
>>
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>>
>
>
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Kontokostas Dimitris
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