Abstract
Fully understanding narratives often requires identifying events in the context of whole documents and modeling the event relations. However, document-level event extraction is a challenging task as it requires the extraction of event and entity coreference, and capturing arguments that span across different sentences. Existing works on event extraction usually confine on extracting events from single sentences, which fail to capture the relationships between the event mentions at the scale of a document, as well as the event arguments that appear in a different sentence than the event trigger. In this paper, we propose an end-to-end model leveraging Deep Value Networks (DVN), a structured prediction algorithm, to efficiently capture cross-event dependencies for document-level event extraction. Experimental results show that our approach achieves comparable performance to CRF-based models on ACE05, while enjoys significantly higher computational efficiency.- Anthology ID:
- 2021.nuse-1.4
- Volume:
- Proceedings of the Third Workshop on Narrative Understanding
- Month:
- June
- Year:
- 2021
- Address:
- Virtual
- Editors:
- Nader Akoury, Faeze Brahman, Snigdha Chaturvedi, Elizabeth Clark, Mohit Iyyer, Lara J. Martin
- Venues:
- NUSE | WNU
- SIG:
- Publisher:
- Association for Computational Linguistics
- Note:
- Pages:
- 36–47
- Language:
- URL:
- https://aclanthology.org/2021.nuse-1.4
- DOI:
- 10.18653/v1/2021.nuse-1.4
- Cite (ACL):
- Kung-Hsiang Huang and Nanyun Peng. 2021. Document-level Event Extraction with Efficient End-to-end Learning of Cross-event Dependencies. In Proceedings of the Third Workshop on Narrative Understanding, pages 36–47, Virtual. Association for Computational Linguistics.
- Cite (Informal):
- Document-level Event Extraction with Efficient End-to-end Learning of Cross-event Dependencies (Huang & Peng, NUSE-WNU 2021)
- PDF:
- https://preview.aclanthology.org/ingest-acl-2023-videos/2021.nuse-1.4.pdf