Universal information extraction as unified semantic matching

J Lou, Y Lu, D Dai, W Jia, H Lin, X Han… - Proceedings of the AAAI …, 2023 - ojs.aaai.org
The challenge of information extraction (IE) lies in the diversity of label schemas and the
heterogeneity of structures. Traditional methods require task-specific model design and rely …

TextEE: Benchmark, reevaluation, reflections, and future challenges in event extraction

KH Huang, IH Hsu, T Parekh, Z Xie… - Findings of the …, 2024 - aclanthology.org
Event extraction has gained considerable interest due to its wide-ranging applications.
However, recent studies draw attention to evaluation issues, suggesting that reported scores …

Incremental prompting: Episodic memory prompt for lifelong event detection

M Liu, S Chang, L Huang - arXiv preprint arXiv:2204.07275, 2022 - arxiv.org
Lifelong event detection aims to incrementally update a model with new event types and
data while retaining the capability on previously learned old types. One critical challenge is …

The devil is in the details: On the pitfalls of event extraction evaluation

H Peng, X Wang, F Yao, K Zeng, L Hou, J Li… - arXiv preprint arXiv …, 2023 - arxiv.org
Event extraction (EE) is a crucial task aiming at extracting events from texts, which includes
two subtasks: event detection (ED) and event argument extraction (EAE). In this paper, we …

Event extraction with dynamic prefix tuning and relevance retrieval

H Huang, X Liu, G Shi, Q Liu - IEEE Transactions on …, 2023 - ieeexplore.ieee.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 …

DICE: data-efficient clinical event extraction with generative models

MD Ma, AK Taylor, W Wang, N Peng - arXiv preprint arXiv:2208.07989, 2022 - arxiv.org
Event extraction for the clinical domain is an under-explored research area. The lack of
training data along with the high volume of domain-specific terminologies with vague entity …

The art of prompting: Event detection based on type specific prompts

S Wang, M Yu, L Huang - arXiv preprint arXiv:2204.07241, 2022 - arxiv.org
We compare various forms of prompts to represent event types and develop a unified
framework to incorporate the event type specific prompts for supervised, few-shot, and zero …

Learning cross-task dependencies for joint extraction of entities, events, event arguments, and relations

M Van Nguyen, B Min, F Dernoncourt… - Proceedings of the …, 2022 - aclanthology.org
Extracting entities, events, event arguments, and relations (ie, task instances) from text
represents four main challenging tasks in information extraction (IE), which have been …

Learning from a Friend: Improving Event Extraction via Self-Training with Feedback from Abstract Meaning Representation

Z Xu, JY Lee, L Huang - Findings of the Association for …, 2023 - aclanthology.org
Data scarcity has been the main factor that hinders the progress of event extraction. To
overcome this issue, we propose a Self-Training with Feedback (STF) framework that …

Rexuie: a recursive method with explicit schema instructor for universal information extraction

C Liu, F Zhao, Y Kang, J Zhang, X Zhou, C Sun… - arXiv preprint arXiv …, 2023 - arxiv.org
Universal Information Extraction (UIE) is an area of interest due to the challenges posed by
varying targets, heterogeneous structures, and demand-specific schemas. However …