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Identifying communities has always been a fundamental task in analysis of complex networks. Many methods have been devised over the last decade for detection of communities. Amongst them, the label propagation algorithm brings great…

社会与信息网络 · 计算机科学 2015-03-17 Aria Rezaei , Saeed Mahlouji Far , Mahdieh Soleymani

We describe techniques for the robust detection of community structure in some classes of time-dependent networks. Specifically, we consider the use of statistical null models for facilitating the principled identification of structural…

数据分析、统计与概率 · 物理学 2013-04-16 Danielle S. Bassett , Mason A. Porter , Nicholas F. Wymbs , Scott T. Grafton , Jean M. Carlson , Peter J. Mucha

Current rumor detection methods based on propagation structure learning predominately treat rumor detection as a class-balanced classification task on limited labeled data. However, real-world social media data exhibits an imbalanced…

社会与信息网络 · 计算机科学 2025-08-12 Chaoqun Cui , Caiyan Jia

This paper introduces novel schemes for indoor localization, outlier detection, and radio map interpolation using Wireless Local Area Networks (WLANs). The localization method consists of a novel multicomponent optimization technique that…

网络与互联网体系结构 · 计算机科学 2016-10-19 Ali Khalajmehrabadi , Nikolaos Gatsis , David Akopian

LLM-driven social bots can generate fluent, human-like text, reducing the discriminative advantage of content-based detection alone. However, coordinated campaigns still leave relational patterns -- interactions, behavioral similarity,…

社会与信息网络 · 计算机科学 2026-05-29 Hanning Lu , Yingguang Yang , Jinwei Su , Yang Liu , Zhaoqian Yao , Yaoming Li , Taoran Liang , Ziyi Zhang , Ran Ran , Kefu Xu , Bin Chong

Studying real-world networks such as social networks or web networks is a challenge. These networks often combine a complex, highly connected structure together with a large size. We propose a new approach for large scale networks that is…

社会与信息网络 · 计算机科学 2020-10-23 Benjamin Ricaud , Nicolas Aspert , Volodymyr Miz

In this paper we present results from a method of community detection using label propagation in undirected, unweighted graphs which incorporates elements of neural computing and spike-based data. Using a fully connected, edge-weighted…

无序系统与神经网络 · 物理学 2018-10-24 Kathleen E. Hamilton , Travis S. Humble

This paper deals with the statistical signal pro- cessing over graphs for tracking infection diffusion in social networks. Infection (or Information) diffusion is modeled using the Susceptible-Infected-Susceptible (SIS) model. Mean field…

社会与信息网络 · 计算机科学 2016-11-01 Vikram Krishnamurthy , Sujay Bhatt , Tavis Pedersen

Regularization is an effective way to promote the generalization performance of machine learning models. In this paper, we focus on label smoothing, a form of output distribution regularization that prevents overfitting of a neural network…

机器学习 · 计算机科学 2020-07-07 Weizhi Li , Gautam Dasarathy , Visar Berisha

Speaker representation learning is crucial for voice recognition systems, with recent advances in self-supervised approaches reducing dependency on labeled data. Current two-stage iterative frameworks, while effective, suffer from…

音频与语音处理 · 电气工程与系统科学 2025-06-03 Danwei Cai , Zexin Cai , Ze Li , Ming Li

Audio deepfake detection is increasingly important as synthetic speech becomes more realistic and accessible. Recent methods, including those using graph neural networks (GNNs) to model frequency and temporal dependencies, show strong…

声音 · 计算机科学 2026-01-13 Falih Gozi Febrinanto , Kristen Moore , Chandra Thapa , Jiangang Ma , Vidya Saikrishna

Understanding social network structure and evolution has important implications for many aspects of network and system design including provisioning, bootstrapping trust and reputation systems via social networks, and defenses against Sybil…

社会与信息网络 · 计算机科学 2012-09-20 Neil Zhenqiang Gong , Wenchang Xu , Ling Huang , Prateek Mittal , Emil Stefanov , Vyas Sekar , Dawn Song

The increasing frequency of suicidal thoughts highlights the importance of early detection and intervention. Social media platforms, where users often share personal experiences and seek help, could be utilized to identify individuals at…

计算与语言 · 计算机科学 2024-11-04 Vy Nguyen , Chau Pham

Community detection is an essential task in network analysis as it helps identify groups and patterns within a network. High-speed community detection algorithms are necessary to analyze large-scale networks in a reasonable amount of time.…

社会与信息网络 · 计算机科学 2023-01-24 Subhajit Sahu

This paper examines the problem of distributing rewards on social networks to improve the efficiency of crowdsourcing tasks for sponsors. To complete the tasks efficiently, we aim to design reward mechanisms that incentivize early-joining…

计算机科学与博弈论 · 计算机科学 2024-05-24 Junjie Zheng , Xu Ge , Bin Li , Dengji Zhao

Community detection has attracted considerable attention crossing many areas as it can be used for discovering the structure and features of complex networks. With the increasing size of social networks in real world, community detection…

人工智能 · 计算机科学 2016-06-14 Kuang Zhou , Arnaud Martin , Quan Pan , Zhun-Ga Liu

Segmentation is a fundamental process in microscopic cell image analysis. With the advent of recent advances in deep learning, more accurate and high-throughput cell segmentation has become feasible. However, most existing deep…

计算机视觉与模式识别 · 计算机科学 2020-06-25 Hyeonsoo Lee , Won-Ki Jeong

Label noise is pervasive in various real-world scenarios, posing challenges in supervised deep learning. Deep networks are vulnerable to such label-corrupted samples due to the memorization effect. One major stream of previous methods…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Zeren Sun , Yazhou Yao , Tongliang Liu , Zechao Li , Fumin Shen , Jinhui Tang

Recent advancements in social bot detection have been driven by the adoption of Graph Neural Networks. The social graph, constructed from social network interactions, contains benign and bot accounts that influence each other. However,…

社会与信息网络 · 计算机科学 2024-05-21 Yingguang Yang , Qi Wu , Buyun He , Hao Peng , Renyu Yang , Zhifeng Hao , Yong Liao

This paper addresses the problem of optimizing the allocation of labeling resources for semi-supervised belief representation learning in social networks. The objective is to strategically identify valuable messages on social media graphs…

机器学习 · 计算机科学 2024-10-28 Dachun Sun , Ruijie Wang , Jinning Li , Ruipeng Han , Xinyi Liu , You Lyu , Tarek Abdelzaher