Learning compositionally through attentive guidance
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In this paper, we introduce Attentive Guidance (AG), a new mechanism to direct a sequence to sequence model equipped with attention to find more compositional solutions that generalise even in cases where the training and testing distribution strongly diverge. We test AG on two tasks, devised precisely to asses the composi- tional capabilities of neural models and show how vanilla sequence to sequence models with attention overfit the training distribution, while the guided versions come up with compositional solutions that, in some cases, fit the training and testing distributions equally well. AG is a simple and intuitive method to provide a learning bias to a sequence to sequence model without the need of including extra components, that we believe allows to inject a component in the training process which is also present in human learning: guidance.
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