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Meta Relational Learning for Few Shot Link Prediction in Knowledge Graphs

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Figure

Figure 1: An example of 3-shot link prediction in KGs.One task represents observing only three instances ofone specific relation and conducting link prediction onthis relation
Table 1: The training and testing examples of 1-shotlink prediction in KGs.
Figure 2: Overview of MetaR. Tandr = {Sr, Qr}, RTr and R′Tr represent relation meta and updated relation meta, GTr represents gradient meta.
Table 2: Statistic of datasets. Fit denotes fitting back-ground into training tasks (Y) or not (N), # Train, # Devand # Test denote the number of relations in training,validation and test set.
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