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Rumor models consider that information transmission occurs with the same probability between each pair of nodes. However, this assumption is not observed in social networks, which contain influential spreaders. To overcome this limitation,…

物理与社会 · 物理学 2017-03-08 Didier A. Vega-Oliveros , Luciano da F. Costa , Francisco A. Rodrigues

Existing rumor detection strategies typically provide detection labels while ignoring their explanation. Nonetheless, providing pieces of evidence to explain why a suspicious tweet is rumor is essential. As such, a novel model, LOSIRD, was…

社会与信息网络 · 计算机科学 2021-12-28 Jiawen Li , Shiwen Ni , Hung-Yu Kao

The proliferation of rumors on social media has become a major concern due to its ability to create a devastating impact. Manually assessing the veracity of social media messages is a very time-consuming task that can be much helped by…

计算机视觉与模式识别 · 计算机科学 2023-02-13 Abderrazek Azri , Cécile Favre , Nouria Harbi , Jérôme Darmont , Camille Noûs

The rapid spread of information and rumors through social media platforms, especially in group settings, motivates the need for more sophisticated models of rumor propagation. Traditional pairwise models do not account for group…

物理与社会 · 物理学 2025-04-29 Kleber A. Oliveira , Pietro Traversa , Guilherme Ferraz de Arruda , Yamir Moreno

Few-shot text classification has recently been promoted by the meta-learning paradigm which aims to identify target classes with knowledge transferred from source classes with sets of small tasks named episodes. Despite their success,…

计算与语言 · 计算机科学 2023-05-17 Junfan Chen , Richong Zhang , Yongyi Mao , Jie Xu

The randomized rumor spreading problem generates a big interest in the area of distributed algorithms due to its simplicity, robustness and wide range of applications. The two most popular communication paradigms used for spreading the…

社会与信息网络 · 计算机科学 2019-01-01 Dariusz R. Kowalski , Christopher Thraves Caro

To manage the rumors in social media to reduce the harm of rumors in society. Many studies used methods of deep learning to detect rumors in open networks. To comprehensively sort out the research status of rumor detection from multiple…

计算机与社会 · 计算机科学 2022-04-26 Li Tan , Ge Wang , Feiyang Jia , Xiaofeng Lian

Automatic detecting rumors on social media has become a challenging task. Previous studies focus on learning indicative clues from conversation threads for identifying rumorous information. However, these methods only model rumorous…

计算与语言 · 计算机科学 2022-12-06 Yang Wu , Jing Yang , Xiaojun Zhou , Liming Wang , Zhen Xu

Graphs are now ubiquitous in almost every field of research. Recently, new research areas devoted to the analysis of graphs and data associated to their vertices have emerged. Focusing on dynamical processes, we propose a fast, robust and…

社会与信息网络 · 计算机科学 2016-02-02 Kirell Benzi , Benjamin Ricaud , Pierre Vandergheynst

As growing usage of social media websites in the recent decades, the amount of news articles spreading online rapidly, resulting in an unprecedented scale of potentially fraudulent information. Although a plenty of studies have applied the…

机器学习 · 计算机科学 2023-04-21 Hao Chen , Peng Zheng , Xin Wang , Shu Hu , Bin Zhu , Jinrong Hu , Xi Wu , Siwei Lyu

Recent work in the domain of misinformation detection has leveraged rich signals in the text and user identities associated with content on social media. But text can be strategically manipulated and accounts reopened under different…

社会与信息网络 · 计算机科学 2020-02-07 Nir Rosenfeld , Aron Szanto , David C. Parkes

Deep learning techniques for rumor detection typically utilize Graph Neural Networks (GNNs) to analyze post relations. These methods, however, falter due to over-smoothing issues when processing rumor propagation structures, leading to…

计算与语言 · 计算机科学 2026-03-25 Chaoqun Cui , Caiyan Jia

Social media, such as Facebook and Twitter, has become one of the most important channels for information dissemination. However, these social media platforms are often misused to spread rumors, which has brought about severe social…

社会与信息网络 · 计算机科学 2020-08-28 Shuai Wang , Qingchao Kong , Yuqi Wang , Lei Wang

While distributed learning offers a new learning paradigm for distributed network with no central coordination, it is constrained by communication bottleneck between nodes. We develop a new event-triggered gossip framework for distributed…

信号处理 · 电气工程与系统科学 2026-02-24 Zhiyuan Zhai , Xiaojun Yuan , Wei Ni , Xin Wang , Rui Zhang , Geoffrey Ye Li

Contrastive learning is a highly effective method for learning representations from unlabeled data. Recent works show that contrastive representations can transfer across domains, leading to simple state-of-the-art algorithms for…

机器学习 · 计算机科学 2022-05-25 Jeff Z. HaoChen , Colin Wei , Ananya Kumar , Tengyu Ma

The widespread use of social media has accelerated the dissemination of information, but it has also facilitated the spread of harmful rumours, which can disrupt economies, influence political outcomes, and exacerbate public health crises,…

计算与语言 · 计算机科学 2025-02-10 Daniel Wai Kit Chin , Roy Ka-Wei Lee

Fake news generally refers to false information that is spread deliberately to deceive people, which has detrimental social effects. Existing fake news detection methods primarily learn the semantic features from news content or integrate…

计算与语言 · 计算机科学 2026-04-28 Mengyang Chen , Lingwei Wei , Han Cao , Wei Zhou , Zhou Yan , Songlin Hu

Social media misinformation harms individuals and societies and is potentialized by fast-growing multi-modal content (i.e., texts and images), which accounts for higher "credibility" than text-only news pieces. Although existing supervised…

人工智能 · 计算机科学 2023-11-27 Hui Liu , Wenya Wang , Hao Sun , Anderson Rocha , Haoliang Li

The proliferation of fake news has emerged as a significant threat to the integrity of information dissemination, particularly on social media platforms. Misinformation can spread quickly due to the ease of creating and disseminating…

With social media becoming ubiquitous, information consumption from this media has also increased. However, one of the serious problems that have emerged with this increase, is the propagation of rumors. Therefore, rumor identification is a…

社会与信息网络 · 计算机科学 2020-07-23 Mingxuan Chen , Ning Wang , K. P. Subbalakshmi