Once more, we note that very few work have in mind Big
Data characteristics while addressing coreference resolution.
In challenges about indexing billions of RDF triples or rea-
soning on them (see further), we see that scientists deal
with data formats which are quite easy to handle by a
computer (RDF/RDFS, OWL/OWL2). But the transformation
of pieces of natural language-written texts into computer-
understandable formats have to be done first.