Text2Event: Controllable sequence-to-structure generation for end-to-end event extraction

Y Lu, H Lin, J Xu, X Han, J Tang, A Li, L Sun… - arXiv preprint arXiv …, 2021 - arxiv.org
Event extraction is challenging due to the complex structure of event records and the
semantic gap between text and event. Traditional methods usually extract event records by …

DEGREE: A data-efficient generation-based event extraction model

I Hsu, KH Huang, E Boschee, S Miller… - arXiv preprint arXiv …, 2021 - arxiv.org
Event extraction requires high-quality expert human annotations, which are usually
expensive. Therefore, learning a data-efficient event extraction model that can be trained …

MAVEN: A massive general domain event detection dataset

X Wang, Z Wang, X Han, W Jiang, R Han, Z Liu… - arXiv preprint arXiv …, 2020 - arxiv.org
Event detection (ED), which means identifying event trigger words and classifying event
types, is the first and most fundamental step for extracting event knowledge from plain text …

Dynamic prefix-tuning for generative template-based event extraction

X Liu, H Huang, G Shi, B Wang - arXiv preprint arXiv:2205.06166, 2022 - arxiv.org
We consider event extraction in a generative manner with template-based conditional
generation. Although there is a rising trend of casting the task of event extraction as a …

Multilingual generative language models for zero-shot cross-lingual event argument extraction

KH Huang, I Hsu, P Natarajan, KW Chang… - arXiv preprint arXiv …, 2022 - arxiv.org
We present a study on leveraging multilingual pre-trained generative language models for
zero-shot cross-lingual event argument extraction (EAE). By formulating EAE as a language …

A survey on deep learning event extraction: Approaches and applications

Q Li, J Li, J Sheng, S Cui, J Wu, Y Hei… - … on Neural Networks …, 2022 - ieeexplore.ieee.org
Event extraction (EE) is a crucial research task for promptly apprehending event information
from massive textual data. With the rapid development of deep learning, EE based on deep …

[HTML][HTML] Extracting events and their relations from texts: A survey on recent research progress and challenges

K Liu, Y Chen, J Liu, X Zuo, J Zhao - AI Open, 2020 - Elsevier
Event is a common but non-negligible knowledge type. How to identify events from texts,
extract their arguments, even analyze the relations between different events are important …

CLEVE: contrastive pre-training for event extraction

Z Wang, X Wang, X Han, Y Lin, L Hou, Z Liu… - arXiv preprint arXiv …, 2021 - arxiv.org
Event extraction (EE) has considerably benefited from pre-trained language models (PLMs)
by fine-tuning. However, existing pre-training methods have not involved modeling event …

A two-step approach for implicit event argument detection

Z Zhang, X Kong, Z Liu, X Ma… - Proceedings of the 58th …, 2020 - aclanthology.org
In this work, we explore the implicit event argument detection task, which studies event
arguments beyond sentence boundaries. The addition of cross-sentence argument …

What the role is vs. what plays the role: Semi-supervised event argument extraction via dual question answering

Y Zhou, Y Chen, J Zhao, Y Wu, J Xu, J Li - Proceedings of the AAAI …, 2021 - ojs.aaai.org
Event argument extraction is an essential task in event extraction, and become particularly
challenging in the case of low-resource scenarios. We solve the issues in existing studies …