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Enriched Attention for Robust Relation Extraction

2021-04-22 07:17:19
Heike Adel, Jannik Strötgen

Abstract

The performance of relation extraction models has increased considerably with the rise of neural networks. However, a key issue of neural relation extraction is robustness: the models do not scale well to long sentences with multiple entities and relations. In this work, we address this problem with an enriched attention mechanism. Attention allows the model to focus on parts of the input sentence that are relevant to relation extraction. We propose to enrich the attention function with features modeling knowledge about the relation arguments and the shortest dependency path between them. Thus, for different relation arguments, the model can pay attention to different parts of the sentence. Our model outperforms prior work using comparable setups on two popular benchmarks, and our analysis confirms that it indeed scales to long sentences with many entities.

Abstract (translated)

URL

https://arxiv.org/abs/2104.10899

PDF

https://arxiv.org/pdf/2104.10899.pdf


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