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The FewRel (Few-Shot Relation Classification Dataset) contains 100 relations and 70,000 instances from Wikipedia. The dataset is divided into three subsets: training set (64 relations), validation set (16 relations) and test set (20 relations). Source: Neural Snowball for Few-Shot Relation Learning Image Source: https://www.aclweb.org/anthology/D18-1514.pdf

A more challenging task to investigate two aspects of few-shot relation classification models: (1) Can they adapt to a new domain with only a handful of instances? (2) Can they detect none-of-the-above (NOTA) relations? Source: FewRel 2.0: Towards More Challenging Few-Shot Relation Classification