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arXiv · 1808.09367

Deriving Machine Attention from Human Rationales

Yujia Bao·Shiyu Chang·Mo Yu·Regina Barzilay
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Abstract

Attention-based models are successful when trained on large amounts of data. In this paper, we demonstrate that even in the low-resource scenario, attention can be learned effectively. To this end, we start with discrete human-annotated rationales and map them into continuous attention. Our central hypothesis is that this mapping is general across domains, and thus can be transferred from resource-rich domains to low-resource ones. Our model jointly learns a domain-invariant representation and induces the desired mapping between rationales and attention. Our empirical results validate this hypothesis and show that our approach delivers significant gains over state-of-the-art baselines, yielding over 15% average error reduction on benchmark datasets.

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Yujia Bao, Shiyu Chang, Mo Yu, Regina Barzilay. 2018-08-28. Deriving Machine Attention from Human Rationales. https://arxiv.org/abs/1808.09367

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