Created by ali on 10/26/14.
Wikidata statement's references extracted on the form of
wd:Q76_P140_V39759 dbo:reference "http://www.christianitytoday.com/ct/2008/januaryweb-only/104-32.0.html?start=2"^^ xsd:string.
Datasets generated by this extractor.
Datasets generated by this extractor. Used for serialization. If a mapping implementation
does not return all datasets it produces, serialization may fail.
The subject URI of the generated triples
A graph holding the extracted data
when extractor needs some finalization
when extractor has a pre-phase