中文
相关论文

相关论文: Structure-based Sybil Detection in Social Networks…

200 篇论文

Popular User-Review Social Networks (URSNs)---such as Dianping, Yelp, and Amazon---are often the targets of reputation attacks in which fake reviews are posted in order to boost or diminish the ratings of listed products and services. These…

社会与信息网络 · 计算机科学 2017-12-05 Haizhong Zheng , Minhui Xue , Hao Lu , Shuang Hao , Haojin Zhu , Xiaohui Liang , Keith Ross

Restaking protocols expand validator responsibilities beyond consensus, but their security depends on resistance to Sybil attacks. We introduce a formal framework for Sybil-proofness in restaking networks, distinguishing between two types…

计算机科学与博弈论 · 计算机科学 2025-09-24 Tarun Chitra , Paolo Penna , Manvir Schneider

Motivated by social network analysis and network-based recommendation systems, we study a semi-supervised community detection problem in which the objective is to estimate the community label of a new node using the network topology and…

社会与信息网络 · 计算机科学 2023-06-05 Yicong Jiang , Tracy Ke

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

P2P systems are highly susceptible to Sybil attacks, in which an attacker creates a large number of identities and uses them to control a substantial fraction of the system. Persea is the most recent approach towards designing a social…

密码学与安全 · 计算机科学 2014-12-23 Mahdi Nasrullah Al-Ameen , Matthew Wright

Due to the openness of wireless medium, robotic networks that consist of many miniaturized robots are susceptible to Sybil attackers, who can fabricate myriads of fictitious robots. Such detrimental attacks can overturn the fundamental…

密码学与安全 · 计算机科学 2020-12-29 Yong Huang , Wei Wang , Tao Jiang , Qian Zhang

Noisy training set usually leads to the degradation of generalization and robustness of neural networks. In this paper, we propose using a theoretically guaranteed noisy label detection framework to detect and remove noisy data for Learning…

机器学习 · 计算机科学 2022-03-22 Yikai Wang , Xinwei Sun , Yanwei Fu

A recently introduced novel community detection strategy is based on a label propagation algorithm (LPA) which uses the diffusion of information in the network to identify communities. Studies of LPAs showed that the strategy is effective…

社会与信息网络 · 计算机科学 2013-03-28 Gennaro Cordasco , Luisa Gargano

Wireless sensor networks (WSN) are widely used in vehicular networks to support Vehicle-to-Everything (V2X) communications. Wireless sensors in vehicular networks support sensing and monitoring of various environmental factors and vehicle…

密码学与安全 · 计算机科学 2025-04-17 Jae-Dong Kim , Dabin Kim , Minseok Ko , Jong-Moon Chung

Malicious social bots achieve their malicious purposes by spreading misinformation and inciting social public opinion, seriously endangering social security, making their detection a critical concern. Recently, graph-based bot detection…

社会与信息网络 · 计算机科学 2024-06-17 Ming Zhou , Dan Zhang , Yuandong Wang , Yangli-ao Geng , Yuxiao Dong , Jie Tang

Community detection and analysis is an important methodology for understanding the organization of various real-world networks and has applications in problems as diverse as consensus formation in social communities or the identification of…

物理与社会 · 物理学 2007-09-20 Usha Nandini Raghavan , Reka Albert , Soundar Kumara

An increasingly important challenge in network analysis is efficient detection and tracking of communities in dynamic networks for which changes arrive as a stream. There is a need for algorithms that can incrementally update and monitor…

社会与信息网络 · 计算机科学 2013-05-15 Jierui Xie , Mingming Chen , Boleslaw K. Szymanski

Texture is an important cue for different computer vision tasks and applications. Local Binary Pattern (LBP) is considered one of the best yet efficient texture descriptors. However, LBP has some notable limitations, mostly the sensitivity…

计算机视觉与模式识别 · 计算机科学 2019-10-02 Mohammad Alkhatib , Adel Hafiane

Recent research in speaker verification has increasingly focused on achieving robust and reliable recognition under challenging channel conditions and noisy environments. Identifying speakers in radio communications is particularly…

声音 · 计算机科学 2024-06-18 Wenhao Yang , Jianguo Wei , Wenhuan Lu , Lei Li , Xugang Lu

Scribble-based weakly supervised semantic segmentation leverages only a few annotated pixels as labels to train a segmentation model, presenting significant potential for reducing the human labor involved in the annotation process. This…

计算机视觉与模式识别 · 计算机科学 2025-03-19 Xinliang Zhang , Lei Zhu , Shuang Zeng , Hangzhou He , Ourui Fu , Zhengjian Yao , Zhaoheng Xie , Yanye Lu

Learning with noisy labels (LNL) aims at designing strategies to improve model performance and generalization by mitigating the effects of model overfitting to noisy labels. The key success of LNL lies in identifying as many clean samples…

计算机视觉与模式识别 · 计算机科学 2022-08-08 Jichang Li , Guanbin Li , Feng Liu , Yizhou Yu

Overlap is one of the characteristics of social networks, in which a person may belong to more than one social group. For this reason, discovering overlapping structures is necessary for realistic social analysis. In this paper, we present…

社会与信息网络 · 计算机科学 2013-05-15 Jierui Xie , Boleslaw K. Szymanski , Xiaoming Liu

Social network based trust relationships present a critical foundation for designing trustworthy systems, such as Sybil defenses, secure routing, and anonymous/censorshipresilient communications. A key issue in the design of such systems,…

社会与信息网络 · 计算机科学 2016-10-13 Changhchang Liu , Prateek Mittal

Traditional methods for detecting rumors on social media primarily focus on analyzing textual content, often struggling to capture the complexity of online interactions. Recent research has shifted towards leveraging graph neural networks…

社会与信息网络 · 计算机科学 2024-12-13 Xingyu Peng , Junran Wu , Ruomei Liu , Ke Xu

In federated learning, machine learning and deep learning models are trained globally on distributed devices. The state-of-the-art privacy-preserving technique in the context of federated learning is user-level differential privacy.…

密码学与安全 · 计算机科学 2020-10-22 Yupeng Jiang , Yong Li , Yipeng Zhou , Xi Zheng