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Paper · 2106.00950 · ACL Findings · 2021

A Multi-Level Attention Model for Evidence-Based Fact Checking

Xin Wang, Canasai Kruengkrai, Junichi Yamagishi

arXiv · PDF · Open in the Atlas

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Abstract

Evidence-based fact checking aims to verify the truthfulness of a claim against evidence extracted from textual sources. Learning a representation that effectively captures relations between a claim and evidence can be challenging. Recent state-of-the-art approaches have developed increasingly sophisticated models based on graph structures. We present a simple model that can be trained on sequence structures. Our model enables inter-sentence attentions at different levels and can benefit from joint training. Results on a large-scale dataset for Fact Extraction and VERification (FEVER) show that our model outperforms the graphbased approaches and yields 1.09% and 1.42% improvements in label accuracy and FEVER score, respectively, over the best published model. 1

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