Both the training and test sets of the original FewRel dataset are constructed by manually annotating the distantly supervised (Bunescu and Mooney, 2007;Mintz et al., 2009) results on Wikipedia corpus and Wikidata (Vrandečić and Krötzsch, 2014) knowledge bases.
they are from the same domain, yet in a real-world scenario, we might train models on one domain and perform few-shot learning on a different one.