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 …

Beyond single-event extraction: Towards efficient document-level multi-event argument extraction

W Liu, L Zhou, D Zeng, Y **ao, S Cheng… - arxiv preprint arxiv …, 2024 - arxiv.org
Recent mainstream event argument extraction methods process each event in isolation,
resulting in inefficient inference and ignoring the correlations among multiple events. To …

[HTML][HTML] Prompt for extraction: Multiple templates choice model for event extraction

J Peng, W Yang, F Wei, L He - Knowledge-based systems, 2024 - Elsevier
Event Extraction (EE) is an essential task in natural language processing that aims to mine
events occurring in event mentions represent events using event records, which usually …

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 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 …

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 …

Event extraction as machine reading comprehension with question-context bridging

L Liu, M Liu, S Liu, K Ding - Knowledge-Based Systems, 2024 - Elsevier
Most existing methods regard event extraction as the classification task. They not only
heavily rely on named entity recognition, causing error propagation, but are also inefficient …

Geneva: Benchmarking generalizability for event argument extraction with hundreds of event types and argument roles

T Parekh, I Hsu, KH Huang, KW Chang… - arxiv preprint arxiv …, 2022 - arxiv.org
Recent works in Event Argument Extraction (EAE) have focused on improving model
generalizability to cater to new events and domains. However, standard benchmarking …

Global constraints with prompting for zero-shot event argument classification

Z Lin, H Zhang, Y Song - arxiv preprint arxiv:2302.04459, 2023 - arxiv.org
Determining the role of event arguments is a crucial subtask of event extraction. Most
previous supervised models leverage costly annotations, which is not practical for open …

Extracting temporal event relation with syntax-guided graph transformer

S Zhang, Q Ning, L Huang - Findings of the Association for …, 2022 - aclanthology.org
Extracting temporal relations (eg, before, after, and simultaneous) among events is crucial to
natural language understanding. One of the key challenges of this problem is that when the …