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In recent years, due to the booming development of online social networks, fake news for various commercial and political purposes has been appearing in large numbers and widespread in the online world. With deceptive words, online social…

社会与信息网络 · 计算机科学 2019-08-13 Jiawei Zhang , Bowen Dong , Philip S. Yu

Graph neural networks (GNNs) have been widely used in deep learning on graphs. They can learn effective node representations that achieve superior performances in graph analysis tasks such as node classification and node clustering.…

机器学习 · 计算机科学 2021-04-19 Jianxin Li , Hao Peng , Yuwei Cao , Yingtong Dou , Hekai Zhang , Philip S. Yu , Lifang He

Graph neural networks (GNNs) provide powerful insights for brain neuroimaging technology from the view of graphical networks. However, most existing GNN-based models assume that the neuroimaging-produced brain connectome network is a…

机器学习 · 计算机科学 2022-09-30 Gen Shi , Yifan Zhu , Wenjin Liu , Quanming Yao , Xuesong Li

The explosive growth and increasing sophistication of Android malware call for new defensive techniques that are capable of protecting mobile users against novel threats. In this paper, we first extract the runtime Application Programming…

密码学与安全 · 计算机科学 2019-05-22 Yanfang Ye , Shifu Hou , Lingwei Chen , Jingwei Lei , Wenqiang Wan , Jiabin Wang , Qi Xiong , Fudong Shao

Since fake news poses a serious threat to society and individuals, numerous studies have been brought by considering text, propagation and user profiles. Due to the data collection problem, these methods based on propagation and user…

计算与语言 · 计算机科学 2022-05-31 Yuhang Wang , Li Wang , Yanjie Yang , Yilin Zhang

Graph Neural Networks have recently become a prevailing paradigm for various high-impact graph analytical problems. Existing efforts can be mainly categorized as spectral-based and spatial-based methods. The major challenge for the former…

机器学习 · 计算机科学 2022-02-22 Yushun Dong , Kaize Ding , Brian Jalaian , Shuiwang Ji , Jundong Li

The dissemination of fake news on social networks has drawn public need for effective and efficient fake news detection methods. Generally, fake news on social networks is multi-modal and has various connections with other entities such as…

社会与信息网络 · 计算机科学 2022-05-09 Tianle Li , Yushi Sun , Shang-ling Hsu , Yanjia Li , Raymond Chi-Wing Wong

Graph neural network (GNN), as a powerful representation learning model on graph data, attracts much attention across various disciplines. However, recent studies show that GNN is vulnerable to adversarial attacks. How to make GNN more…

机器学习 · 计算机科学 2019-05-14 Shen Wang , Zhengzhang Chen , Jingchao Ni , Xiao Yu , Zhichun Li , Haifeng Chen , Philip S. Yu

To combat fake news, researchers mostly focused on detecting fake news and journalists built and maintained fact-checking sites (e.g., Snopes.com and Politifact.com). However, fake news dissemination has been greatly promoted via social…

信息检索 · 计算机科学 2020-01-08 Di You , Nguyen Vo , Kyumin Lee , Qiang Liu

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…

社会与信息网络 · 计算机科学 2024-11-12 Jiajun Zhang , Zhixun Li , Qiang Liu , Shu Wu , Liang Wang

Abnormal event detection, which refers to mining unusual interactions among involved entities, plays an important role in many real applications. Previous works mostly over-simplify this task as detecting abnormal pair-wise interactions.…

机器学习 · 计算机科学 2023-04-05 Bo Yan , Cheng Yang , Chuan Shi , Jiawei Liu , Xiaochen Wang

Since real-world objects and their interactions are often multi-modal and multi-typed, heterogeneous networks have been widely used as a more powerful, realistic, and generic superclass of traditional homogeneous networks (graphs).…

社会与信息网络 · 计算机科学 2020-12-18 Carl Yang , Yuxin Xiao , Yu Zhang , Yizhou Sun , Jiawei Han

Pre-training of neural networks has recently revolutionized the field of Natural Language Processing (NLP) and has before demonstrated its effectiveness in computer vision. At the same time, advances around the detection of fake news were…

计算与语言 · 计算机科学 2024-02-29 Gregor Donabauer , Udo Kruschwitz

Advances in computer vision have brought us to the point where we have the ability to synthesise realistic fake content. Such approaches are seen as a source of disinformation and mistrust, and pose serious concerns to governments around…

计算机视觉与模式识别 · 计算机科学 2019-11-20 Tharindu Fernando , Clinton Fookes , Simon Denman , Sridha Sridharan

Fake news travels at unprecedented speeds, reaches global audiences and puts users and communities at great risk via social media platforms. Deep learning based models show good performance when trained on large amounts of labeled data on…

信息检索 · 计算机科学 2021-06-28 Yaqing Wang , Fenglong Ma , Haoyu Wang , Kishlay Jha , Jing Gao

Recent studies have highlighted the limitations of message-passing based graph neural networks (GNNs), e.g., limited model expressiveness, over-smoothing, over-squashing, etc. To alleviate these issues, Graph Transformers (GTs) have been…

机器学习 · 计算机科学 2023-03-06 Qiheng Mao , Zemin Liu , Chenghao Liu , Jianling Sun

Social media in present times has a significant and growing influence. Fake news being spread on these platforms have a disruptive and damaging impact on our lives. Furthermore, as multimedia content improves the visibility of posts more…

多媒体 · 计算机科学 2024-06-13 Mudit Dhawan , Shakshi Sharma , Aditya Kadam , Rajesh Sharma , Ponnurangam Kumaraguru

Heterogeneous graphs (HGs) are composed of multiple types of nodes and edges, making it more effective in capturing the complex relational structures inherent in the real world. However, in real-world scenarios, labeled data is often…

机器学习 · 计算机科学 2025-08-20 Ruobing Jiang , Yacong Li , Haobing Liu , Yanwei Yu

Real-world graphs or networks are usually heterogeneous, involving multiple types of nodes and relationships. Heterogeneous graph neural networks (HGNNs) can effectively handle these diverse nodes and edges, capturing heterogeneous…

神经与进化计算 · 计算机科学 2026-01-07 Buqing Cao , Qian Peng , Xiang Xie , Liang Chen , Min Shi , Jianxun Liu

Assumption-Based Argumentation (ABA) is a powerful structured argumentation formalism, but exact computation of extensions under stable semantics is intractable for large frameworks. We present the first Graph Neural Network (GNN) approach…

人工智能 · 计算机科学 2025-11-18 Preesha Gehlot , Anna Rapberger , Fabrizio Russo , Francesca Toni