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Network immunization is an automated task in the field of network analysis that involves protecting a network (modeled as a graph) from being infected by an undesired arbitrary diffusion. In this article, we consider the spread of harmful…

社会与信息网络 · 计算机科学 2024-06-21 Elena-Simona Apostol , Özgur Coban , Ciprian-Octavian Truică

Neural networks can conceal malicious Trojan backdoors that allow a trigger to covertly change the model behavior. Detecting signs of these backdoors, particularly without access to any triggered data, is the subject of ongoing research and…

机器学习 · 计算机科学 2024-11-07 Todd Huster , Peter Lin , Razvan Stefanescu , Emmanuel Ekwedike , Ritu Chadha

Within the germinal center in follicles, B-cells proliferate, mutate and differentiate, while being submitted to a powerful selection~: a micro-evolutionary mechanism at the heart of adaptive immunity. A new foreign pathogen is confronted…

概率论 · 数学 2016-02-12 Irene Balelli , Vuk Milisic , Gilles Wainrib

Contrastive learning (CL) has been successful as a powerful representation learning method. In this paper, we propose a contrastive learning framework for cross-domain sentiment classification. We aim to induce domain invariant optimal…

计算与语言 · 计算机科学 2020-12-08 Tian Li , Xiang Chen , Shanghang Zhang , Zhen Dong , Kurt Keutzer

Most news recommender systems try to identify users' interests and news' attributes and use them to obtain recommendations. Here we propose an adaptive model which combines similarities in users' rating patterns with epidemic-like spreading…

信息检索 · 计算机科学 2009-11-13 Matus Medo , Yi-Cheng Zhang , Tao Zhou

In this paper, we aim at solving a class of multiple testing problems under the Bayesian sequential decision framework. Our motivating application comes from binary labeling tasks in crowdsourcing, where the requestor needs to…

统计方法学 · 统计学 2017-08-29 Xiaoou Li , Yunxiao Chen , Xi Chen , Jingchen Liu , Zhiliang Ying

Adversarial training enhances the robustness of Machine Learning (ML) models against adversarial attacks. However, obtaining labeled training and adversarial training data in network/cybersecurity domains is challenging and costly.…

机器学习 · 计算机科学 2024-05-30 Mohamed elShehaby , Aditya Kotha , Ashraf Matrawy

Modifying characters of a piece of text to their visual similar ones often ap-pear in spam in order to fool inspection systems and other conditions, which we regard as a kind of adversarial attack to neural models. We pro-pose a way of…

计算机视觉与模式识别 · 计算机科学 2020-08-25 Shengjun Liu , Ningkang Jiang , Yuanbin Wu

Swarm foraging is a common test case application for multi-robot systems. In this paper we present a novel algorithm for controlling swarm robots with limited communication range and storage capacity to efficiently search for and retrieve…

机器人学 · 计算机科学 2019-06-18 Simon O. Obute , Mehmet R. Dogar , Jordan H. Boyle

Pattern recognition and machine learning techniques have been increasingly adopted in adversarial settings such as spam, intrusion and malware detection, although their security against well-crafted attacks that aim to evade detection by…

机器学习 · 计算机科学 2020-05-26 Fei Zhang , Patrick P. K. Chan , Battista Biggio , Daniel S. Yeung , Fabio Roli

Computer generated academic papers have been used to expose a lack of thorough human review at several computer science conferences. We assess the problem of classifying such documents. After identifying and evaluating several quantifiable…

机器学习 · 统计学 2010-08-05 Allen Lavoie , Mukkai Krishnamoorthy

We study and develop a robust control framework for malware filtering and network security. We investigate the malware filtering problem by capturing the tradeoff between increased security on one hand and continued usability of the network…

密码学与安全 · 计算机科学 2009-11-13 Michael Bloem , Tansu Alpcan , Tamer Basar

This paper addresses a task allocation problem for a large-scale robotic swarm, namely swarm distribution guidance problem. Unlike most of the existing frameworks handling this problem, the proposed framework suggests utilising local…

多智能体系统 · 计算机科学 2018-11-30 Inmo Jang , Hyo-Sang Shin , Antonios Tsourdos

We provide a mathematical formulation and develop a computational framework for identifying multiple strains of microorganisms from mixed samples of DNA. Our method is applicable in public health domains where efficient identification of…

Artificial Immune Systems have been successfully applied to a number of problem domains including fault tolerance and data mining, but have been shown to scale poorly when applied to computer intrusion detec- tion despite the fact that the…

人工智能 · 计算机科学 2010-07-05 Jamie Twycross , Uwe Aickelin , Amanda Whitbrook

Forums play an important role in providing a platform for community interaction. The introduction of irrelevant content or spam by individuals for commercial and social gains tends to degrade the professional experience presented to the…

信息检索 · 计算机科学 2019-09-12 Pratik Ratadiya , Rahul Moorthy

Despite the promising results of machine learning models in malicious files detection, they face the problem of concept drift due to their constant evolution. This leads to declining performance over time, as the data distribution of the…

密码学与安全 · 计算机科学 2024-08-02 William Maillet , Benjamin Marais

Neural networks are frequently used for image classification, but can be vulnerable to misclassification caused by adversarial images. Attempts to make neural network image classification more robust have included variations on…

计算机视觉与模式识别 · 计算机科学 2019-10-01 Basemah Alshemali , Alta Graham , Jugal Kalita

In this paper, we propose a new key-based defense focusing on both efficiency and robustness. Although the previous key-based defense seems effective in defending against adversarial examples, carefully designed adaptive attacks can bypass…

计算机视觉与模式识别 · 计算机科学 2023-09-06 AprilPyone MaungMaung , Isao Echizen , Hitoshi Kiya

Imitation learning is a widely used approach for training agents to replicate expert behavior in complex decision-making tasks. However, existing methods often struggle with compounding errors and limited generalization, due to the inherent…

机器学习 · 计算机科学 2025-04-21 Haldun Balim , Yang Hu , Yuyang Zhang , Na Li