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 …

Event extraction as multi-turn question answering

F Li, W Peng, Y Chen, Q Wang, L Pan… - Findings of the …, 2020 - aclanthology.org
Event extraction, which aims to identify event triggers of pre-defined event types and their
arguments of specific roles, is a challenging task in NLP. Most traditional approaches …

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 …

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 …

OneEE: A one-stage framework for fast overlapping and nested event extraction

H Cao, J Li, F Su, F Li, H Fei, S Wu, B Li… - arXiv preprint arXiv …, 2022 - arxiv.org
Event extraction (EE) is an essential task of information extraction, which aims to extract
structured event information from unstructured text. Most prior work focuses on extracting flat …

Event detection: Gate diversity and syntactic importance scoresfor graph convolution neural networks

VD Lai, TN Nguyen, TH Nguyen - arXiv preprint arXiv:2010.14123, 2020 - arxiv.org
Recent studies on event detection (ED) haveshown that the syntactic dependency graph
canbe employed in graph convolution neural net-works (GCN) to achieve state-of-the-art per …

Meta-learning with dynamic-memory-based prototypical network for few-shot event detection

S Deng, N Zhang, J Kang, Y Zhang, W Zhang… - Proceedings of the 13th …, 2020 - dl.acm.org
Event detection (ED), a sub-task of event extraction, involves identifying triggers and
categorizing event mentions. Existing methods primarily rely upon supervised learning and …

Document-level event extraction via heterogeneous graph-based interaction model with a tracker

R Xu, T Liu, L Li, B Chang - arXiv preprint arXiv:2105.14924, 2021 - arxiv.org
Document-level event extraction aims to recognize event information from a whole piece of
article. Existing methods are not effective due to two challenges of this task: a) the target …

An overview of event extraction and its applications

J Liu, L Min, X Huang - arXiv preprint arXiv:2111.03212, 2021 - arxiv.org
With the rapid development of information technology, online platforms have produced
enormous text resources. As a particular form of Information Extraction (IE), Event Extraction …