Relational prompt-based pre-trained language models for social event detection

P Li, X Yu, H Peng, Y Xian, L Wang, L Sun… - ACM Transactions on …, 2024 - dl.acm.org
Social Event Detection (SED) aims to identify significant events from social streams, and has
a wide application ranging from public opinion analysis to risk management. In recent years …

Hierarchical and incremental structural entropy minimization for unsupervised social event detection

Y Cao, H Peng, Z Yu, SY Philip - … of the AAAI Conference on Artificial …, 2024 - ojs.aaai.org
As a trending approach for social event detection, graph neural network (GNN)-based
methods enable a fusion of natural language semantics and the complex social network …

Uncertainty-guided boundary learning for imbalanced social event detection

J Ren, H Peng, L Jiang, Z Liu, J Wu… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Real-world social events typically exhibit a severe class-imbalance distribution, which
makes the trained detection model encounter a serious generalization challenge. Most …

Bridged-gnn: Knowledge bridge learning for effective knowledge transfer

W Bi, X Cheng, B Xu, X Sun, L Xu, H Shen - Proceedings of the 32nd …, 2023 - dl.acm.org
The data-hungry problem, characterized by insufficiency and low-quality of data, poses
obstacles for deep learning models. Transfer learning has been a feasible way to transfer …

Adaptive Differentially Private Structural Entropy Minimization for Unsupervised Social Event Detection

Z Yang, Y Wei, H Li, Q Li, L Jiang, L Sun, X Yu… - Proceedings of the 33rd …, 2024 - dl.acm.org
Social event detection refers to extracting relevant message clusters from social media data
streams to represent specific events in the real world. Social event detection is important in …

Unsupervised social event detection via hybrid graph contrastive learning and reinforced incremental clustering

Y Guo, Z Zang, H Gao, X Xu, R Wang, L Liu… - Knowledge-Based Systems, 2024 - Elsevier
Detecting events from social media data streams is gradually attracting researchers. The
innate challenge for detecting events is to extract discriminative information from social …

Toward Cross-Lingual Social Event Detection with Hybrid Knowledge Distillation

J Ren, H Peng, L Jiang, Z Hao, J Wu, S Gao… - ACM Transactions on …, 2024 - dl.acm.org
Recently published graph neural networks (GNNs) show promising performance at social
event detection tasks. However, most studies are oriented toward monolingual data in …

Label graph augmented soft cascade decoding model for overlapping event extraction

Y Hei, L Wang, J Sheng, J Liu, Q Li, S Guo - International Journal of …, 2024 - Springer
Event extraction (EE) is a fundamental information extraction task that aims to identify
structured events, including event types, triggers and arguments, from unstructured texts …

Multi-Relational Structural Entropy

Y Cao, H Peng, A Li, C You, Z Hao, PS Yu - arXiv preprint arXiv …, 2024 - arxiv.org
Structural Entropy (SE) measures the structural information contained in a graph. Minimizing
or maximizing SE helps to reveal or obscure the intrinsic structural patterns underlying …

Enrichevent: Enriching social data with contextual information for emerging event extraction

MS Esfahani, M Akbari - arXiv preprint arXiv:2307.16082, 2023 - arxiv.org
Social platforms have emerged as a crucial platform for disseminating and discussing
information about real-life events, which offers an excellent opportunity for early detection of …