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arXiv · 1804.07828

A Multi-Axis Annotation Scheme for Event Temporal Relations

Qiang Ning·Hao Wu·Dan Roth
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Abstract

Existing temporal relation (TempRel) annotation schemes often have low inter-annotator agreements (IAA) even between experts, suggesting that the current annotation task needs a better definition. This paper proposes a new multi-axis modeling to better capture the temporal structure of events. In addition, we identify that event end-points are a major source of confusion in annotation, so we also propose to annotate TempRels based on start-points only. A pilot expert annotation using the proposed scheme shows significant improvement in IAA from the conventional 60's to 80's (Cohen's Kappa). This better-defined annotation scheme further enables the use of crowdsourcing to alleviate the labor intensity for each annotator. We hope that this work can foster more interesting studies towards event understanding.

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Qiang Ning, Hao Wu, Dan Roth. 2018-04-20. A Multi-Axis Annotation Scheme for Event Temporal Relations. https://arxiv.org/abs/1804.07828

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