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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 numerous areas, such as opinion analysis, social…

Social and Information Networks · Computer Science 2024-07-29 Zhiwei Yang , Yuecen Wei , Haoran Li , Qian Li , Lei Jiang , Li Sun , Xiaoyan Yu , Chunming Hu , Hao Peng

The detection of depression in social media posts is crucial due to the increasing prevalence of mental health issues. Traditional machine learning algorithms often fail to capture intricate textual patterns, limiting their effectiveness in…

Computation and Language · Computer Science 2024-10-01 Marios Kerasiotis , Loukas Ilias , Dimitris Askounis

End-to-end Speech Translation is hindered by a lack of available data resources. While most of them are based on documents, a sentence-level version is available, which is however single and static, potentially impeding the usefulness of…

Computation and Language · Computer Science 2023-11-02 Ioannis Tsiamas , José A. R. Fonollosa , Marta R. Costa-jussà

Sarcasm is the use of words usually used to either mock or annoy someone, or for humorous purposes. Sarcasm is largely used in social networks and microblogging websites, where people mock or censure in a way that makes it difficult even…

Computation and Language · Computer Science 2023-02-07 Alif Tri Handoyo , Hidayaturrahman , Derwin Suhartono

The news landscape is continuously evolving, with an ever-increasing volume of information from around the world. Automated event detection within this vast data repository is essential for monitoring, identifying, and categorizing…

Computation and Language · Computer Science 2024-07-09 Adane Nega Tarekegn

Federated learning aims to collaboratively model by integrating multi-source information to obtain a model that can generalize across all client data. Existing methods often leverage knowledge distillation or data augmentation to mitigate…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Runhui Zhang , Sijin Zhou , Zhuang Qi

In the era of digitalization, as individuals increasingly rely on digital platforms for communication and news consumption, various actors employ linguistic strategies to influence public perception. While models have become proficient at…

Computation and Language · Computer Science 2025-06-18 Sina Abdidizaji , Md Kowsher , Niloofar Yousefi , Ivan Garibay

Data augmentation methods have played an important role in the recent advance of deep learning models, and have become an indispensable component of state-of-the-art models in semi-supervised, self-supervised, and supervised training for…

Computer Vision and Pattern Recognition · Computer Science 2023-05-24 Emirhan Kurtulus , Zichao Li , Yann Dauphin , Ekin Dogus Cubuk

Researching bragging behavior on social media arouses interest of computational (socio) linguists. However, existing bragging classification datasets suffer from a serious data imbalance issue. Because labeling a data-balance dataset is…

Computation and Language · Computer Science 2022-10-28 Xiang Li , Yucheng Zhou

With the rapid development of social media, the wide dissemination of fake news on social media is increasingly threatening both individuals and society. One of the unique challenges for fake news detection on social media is how to detect…

Social and Information Networks · Computer Science 2024-11-12 Jiajun Zhang , Zhixun Li , Qiang Liu , Shu Wu , Liang Wang

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, Graph Neural Network (GNN) based solutions have…

Computation and Language · Computer Science 2024-09-11 Pu Li , Xiaoyan Yu , Hao Peng , Yantuan Xian , Linqin Wang , Li Sun , Jingyun Zhang , Philip S. Yu

Recently, Dynamic Vision Sensors (DVSs) sparked a lot of interest due to their inherent advantages over conventional RGB cameras. These advantages include a low latency, a high dynamic range and a low energy consumption. Nevertheless, the…

Computer Vision and Pattern Recognition · Computer Science 2024-01-05 Katharina Bendig , René Schuster , Didier Stricker

The detection of sexism in online content remains an open problem, as harmful language disproportionately affects women and marginalized groups. While automated systems for sexism detection have been developed, they still face two key…

Computation and Language · Computer Science 2025-06-09 Sahrish Khan , Arshad Jhumka , Gabriele Pergola

Social media is a popular platform for timely information sharing. One of the important challenges for social media platforms like Twitter is whether to trust news shared on them when there is no systematic news verification process. On the…

Machine Learning · Computer Science 2020-04-28 Chandra Mouli Madhav Kotteti , Xishuang Dong , Lijun Qian

This paper introduces improved methods for sub-event detection in social media streams, by applying neural sequence models not only on the level of individual posts, but also directly on the stream level. Current approaches to identify…

Computation and Language · Computer Science 2019-03-14 Giannis Bekoulis , Johannes Deleu , Thomas Demeester , Chris Develder

Social events reflect the dynamics of society and, here, natural disasters and emergencies receive significant attention. The timely detection of these events can provide organisations and individuals with valuable information to reduce or…

Social and Information Networks · Computer Science 2024-06-05 Zitai Qiu , Jia Wu , Jian Yang , Xing Su , Charu C. Aggarwal

Collecting and annotating datasets for pixel-level semantic segmentation tasks are highly labor-intensive. Data augmentation provides a viable solution by enhancing model generalization without additional real-world data collection.…

Computer Vision and Pattern Recognition · Computer Science 2026-03-20 Huy Che , Dinh-Duy Phan , Duc-Khai Lam

We introduce a deep neural network for automated sarcasm detection. Recent work has emphasized the need for models to capitalize on contextual features, beyond lexical and syntactic cues present in utterances. For example, different…

Computation and Language · Computer Science 2016-07-06 Silvio Amir , Byron C. Wallace , Hao Lyu , Paula Carvalho Mário J. Silva

Twitter is recognized as a crucial platform for the dissemination and gathering of Cyber Threat Intelligence (CTI). Its capability to provide real-time, actionable intelligence makes it an indispensable tool for detecting security events,…

Cryptography and Security · Computer Science 2024-09-13 Jian Cui , Hanna Kim , Eugene Jang , Dayeon Yim , Kicheol Kim , Yongjae Lee , Jin-Woo Chung , Seungwon Shin , Xiaojing Liao

Event detection (ED) identifies and classifies event triggers from unstructured texts, serving as a fundamental task for information extraction. Despite the remarkable progress achieved in the past several years, most research efforts focus…

Computation and Language · Computer Science 2022-11-28 Xiangyu Xi , Jianwei Lv , Shuaipeng Liu , Wei Ye , Fan Yang , Guanglu Wan