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The wide spread of rumors on social media has caused a negative impact on people's daily life, leading to potential panic, fear, and mental health problems for the public. How to debunk rumors as early as possible remains a challenging…

Artificial Intelligence · Computer Science 2024-04-03 Tianrui Liu , Qi Cai , Changxin Xu , Bo Hong , Fanghao Ni , Yuxin Qiao , Tsungwei Yang

Graph representation learning, involving both node features and graph structures, is crucial for real-world applications but often encounters pervasive noise. State-of-the-art methods typically address noise by focusing separately on node…

Machine Learning · Computer Science 2024-10-17 Guangxin Su , Yifan Zhu , Wenjie Zhang , Hanchen Wang , Ying Zhang

The problem of data sparsity has long been a challenge in recommendation systems, and previous studies have attempted to address this issue by incorporating side information. However, this approach often introduces side effects such as…

Information Retrieval · Computer Science 2024-01-09 Wei Wei , Xubin Ren , Jiabin Tang , Qinyong Wang , Lixin Su , Suqi Cheng , Junfeng Wang , Dawei Yin , Chao Huang

Due to the rapid spread of rumors on social media, rumor detection has become an extremely important challenge. Recently, numerous rumor detection models which utilize textual information and the propagation structure of events have been…

Social and Information Networks · Computer Science 2024-04-26 Xiang Tao , Liang Wang , Qiang Liu , Shu Wu , Liang Wang

The pervasiveness of the dissemination of fake news through social media platforms poses critical risks to the trust of the general public, societal stability, and democratic institutions. This challenge calls for novel methodologies in…

Computation and Language · Computer Science 2025-02-04 Jingyuan Yi , Zeqiu Xu , Tianyi Huang , Peiyang Yu

Graphs play an important role in representing complex relationships in various domains like social networks, knowledge graphs, and molecular discovery. With the advent of deep learning, Graph Neural Networks (GNNs) have emerged as a…

Machine Learning · Computer Science 2024-06-05 Wenqi Fan , Shijie Wang , Jiani Huang , Zhikai Chen , Yu Song , Wenzhuo Tang , Haitao Mao , Hui Liu , Xiaorui Liu , Dawei Yin , Qing Li

Large Language Models (LLMs) demonstrate an impressive capacity to recall a vast range of factual knowledge. However, understanding their underlying reasoning and internal mechanisms in exploiting this knowledge remains a key research area.…

Computation and Language · Computer Science 2024-08-07 Marco Bronzini , Carlo Nicolini , Bruno Lepri , Jacopo Staiano , Andrea Passerini

Explainable fake news detection aims to assess the veracity of news claims while providing human-friendly explanations. Existing methods incorporating investigative journalism are often inefficient and struggle with breaking news. Recent…

Computation and Language · Computer Science 2026-04-09 Bo Wang , Jing Ma , Hongzhan Lin , Zhiwei Yang , Ruichao Yang , Yuan Tian , Yi Chang

Detecting rumors on social media is a very critical task with significant implications to the economy, public health, etc. Previous works generally capture effective features from texts and the propagation structure. However, the…

Artificial Intelligence · Computer Science 2021-07-27 Lingwei Wei , Dou Hu , Wei Zhou , Zhaojuan Yue , Songlin Hu

Pretrained Language Models (PLMs) have excelled in various Natural Language Processing tasks, benefiting from large-scale pretraining and self-attention mechanism's ability to capture long-range dependencies. However, their performance on…

Computation and Language · Computer Science 2025-08-12 Chaoqun Cui , Siyuan Li , Kunkun Ma , Caiyan Jia

Integrating large language models (LLMs) with knowledge graphs derived from domain-specific data represents an important advancement towards more powerful and factual reasoning. As these models grow more capable, it is crucial to enable…

Artificial Intelligence · Computer Science 2024-04-19 Stefan Dernbach , Khushbu Agarwal , Alejandro Zuniga , Michael Henry , Sutanay Choudhury

Graphs are pervasive in the real-world, such as social network analysis, bioinformatics, and knowledge graphs. Graph neural networks (GNNs) have great ability in node classification, a fundamental task on graphs. Unfortunately, conventional…

Machine Learning · Computer Science 2024-09-05 Quan Li , Tianxiang Zhao , Lingwei Chen , Junjie Xu , Suhang Wang

With the rapid development of mobile Internet technology and the widespread use of mobile devices, it becomes much easier for people to express their opinions on social media. The openness and convenience of social media platforms provide a…

Social and Information Networks · Computer Science 2020-06-11 Qi Huang , Junshuai Yu , Jia Wu , Bin Wang

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,…

Computation and Language · Computer Science 2025-02-10 Daniel Wai Kit Chin , Roy Ka-Wei Lee

Large language models (LLMs) offer unprecedented opportunities for analyzing social phenomena at scale. This paper demonstrates the value of LLMs in psychological measurement by (1) compiling the first large-scale dataset of election rumors…

Artificial Intelligence · Computer Science 2026-01-09 Etienne Casanova , R. Michael Alvarez

The proliferation of fake news has had far-reaching implications on politics, the economy, and society at large. While Fake news detection methods have been employed to mitigate this issue, they primarily depend on two essential elements:…

Computation and Language · Computer Science 2024-03-18 Guanghua Li , Wensheng Lu , Wei Zhang , Defu Lian , Kezhong Lu , Rui Mao , Kai Shu , Hao Liao

The rapid spread of rumors on social media has posed significant challenges to maintaining public trust and information integrity. Since an information cascade process is essentially a propagation tree, recent rumor detection models…

Social and Information Networks · Computer Science 2025-07-28 Wei Jiang , Tong Chen , Xinyi Gao , Wentao Zhang , Lizhen Cui , Hongzhi Yin

Large Language Models (LLMs) have demonstrated remarkable performance across various natural language processing tasks. Recently, several LLMs-based pipelines have been developed to enhance learning on graphs with text attributes,…

Machine Learning · Computer Science 2024-07-30 Kai Guo , Zewen Liu , Zhikai Chen , Hongzhi Wen , Wei Jin , Jiliang Tang , Yi Chang

The spread of rumors on social media, particularly during significant events like the US elections and the COVID-19 pandemic, poses a serious threat to social stability and public health. Current rumor detection methods primarily rely on…

Social and Information Networks · Computer Science 2025-06-24 Yusong Zhang , Kun Xie , Xingyi Zhang , Xiangyu Dong , Sibo Wang

Large Language Models (LLMs) have shown promising results on various language and vision tasks. Recently, there has been growing interest in applying LLMs to graph-based tasks, particularly on Text-Attributed Graphs (TAGs). However, most…

Machine Learning · Computer Science 2024-06-10 Zhongmou He , Jing Zhu , Shengyi Qian , Joyce Chai , Danai Koutra