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 …

Zero-shot temporal relation extraction with chatgpt

C Yuan, Q Xie, S Ananiadou - arXiv preprint arXiv:2304.05454, 2023 - arxiv.org
The goal of temporal relation extraction is to infer the temporal relation between two events
in the document. Supervised models are dominant in this task. In this work, we investigate …

Knowledge-enhanced event relation extraction via event ontology prompt

L Zhuang, H Fei, P Hu - Information Fusion, 2023 - Elsevier
Identifying temporal and subevent relationships between different events (ie, event relation
extraction) is an important step towards event-centric natural language processing, which …

Joint constrained learning for event-event relation extraction

H Wang, M Chen, H Zhang, D Roth - arXiv preprint arXiv:2010.06727, 2020 - arxiv.org
Understanding natural language involves recognizing how multiple event mentions
structurally and temporally interact with each other. In this process, one can induce event …

Syntax-based dynamic latent graph for event relation extraction

L Zhuang, H Fei, P Hu - Information Processing & Management, 2023 - Elsevier
This paper focuses on extracting temporal and parent–child relationships between news
events in social news. Previous methods have proved that syntactic features are valid …

Selecting optimal context sentences for event-event relation extraction

H Man, NT Ngo, LN Van, TH Nguyen - Proceedings of the AAAI …, 2022 - ojs.aaai.org
Understanding events entails recognizing the structural and temporal orders between event
mentions to build event structures/graphs for input documents. To achieve this goal, our …

What is event knowledge graph: A survey

S Guan, X Cheng, L Bai, F Zhang, Z Li… - … on Knowledge and …, 2022 - ieeexplore.ieee.org
Besides entity-centric knowledge, usually organized as Knowledge Graph (KG), events are
also an essential kind of knowledge in the world, which trigger the spring up of event-centric …

Biomedical event extraction with hierarchical knowledge graphs

KH Huang, M Yang, N Peng - arXiv preprint arXiv:2009.09335, 2020 - arxiv.org
Biomedical event extraction is critical in understanding biomolecular interactions described
in scientific corpus. One of the main challenges is to identify nested structured events that …

Econet: Effective continual pretraining of language models for event temporal reasoning

R Han, X Ren, N Peng - arXiv preprint arXiv:2012.15283, 2020 - arxiv.org
While pre-trained language models (PTLMs) have achieved noticeable success on many
NLP tasks, they still struggle for tasks that require event temporal reasoning, which is …

Timers: document-level temporal relation extraction

P Mathur, R Jain, F Dernoncourt… - Proceedings of the …, 2021 - aclanthology.org
We present TIMERS-a TIME, Rhetorical and Syntactic-aware model for document-level
temporal relation classification in the English language. Our proposed method leverages …