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Deep ensembles have been shown to extend the positive effect seen in typical ensemble learning to neural networks and to reinforcement learning (RL). However, there is still much to be done to improve the efficiency of such ensemble models.…

机器学习 · 计算机科学 2022-09-27 Simeon Adebola , Satvik Sharma , Kaushik Shivakumar

As the cyber threat landscape is constantly becoming increasingly complex and polymorphic, the more critical it becomes to understand the enemy and its modus operandi for anticipatory threat reduction. Even though the cyber security…

密码学与安全 · 计算机科学 2021-09-22 Vasileios Mavroeidis , Ryan Hohimer , Tim Casey , Audun Jøsang

An advanced persistent threat (APT) refers to a covert, long-term cyberattack, typically conducted by state-sponsored actors, targeting critical sectors and often remaining undetected for long periods. In response, collective intelligence…

密码学与安全 · 计算机科学 2026-01-07 Shakhzod Yuldoshkhujaev , Mijin Jeon , Doowon Kim , Nick Nikiforakis , Hyungjoon Koo

We propose a discrete model for how opinion about a given phenomenon, about which various groups of a population have different degrees of enthusiasm, such as fanaticism and extreme social and political positions, including terrorism, may…

物理与社会 · 物理学 2007-05-23 Dietrich Stauffer , Muhammad Sahimi

The rapid expansion of cyberspace has greatly facilitated the strategic shift of traditional crimes to online platforms. This has included malicious actors, such as extremist organisations, making use of online networks to disseminate…

计算机与社会 · 计算机科学 2020-08-28 Fatima Zahrah , Jason R. C. Nurse , Michael Goldsmith

Detection of adversarial examples has been a hot topic in the last years due to its importance for safely deploying machine learning algorithms in critical applications. However, the detection methods are generally validated by assuming a…

计算机视觉与模式识别 · 计算机科学 2022-07-01 Federica Granese , Marine Picot , Marco Romanelli , Francisco Messina , Pablo Piantanida

The explosive growth of textual data over time presents a significant challenge in uncovering evolving themes and trends. Existing dynamic topic modeling techniques, while powerful, often exist in fragmented pipelines that lack robust…

计算与语言 · 计算机科学 2025-07-15 Suman Adhya , Debarshi Kumar Sanyal

Generic event boundary detection is an important yet challenging task in video understanding, which aims at detecting the moments where humans naturally perceive event boundaries. The main challenge of this task is perceiving various…

计算机视觉与模式识别 · 计算机科学 2022-04-04 Jiaqi Tang , Zhaoyang Liu , Chen Qian , Wayne Wu , Limin Wang

The proliferation of radical content on online platforms poses significant risks, including inciting violence and spreading extremist ideologies. Despite ongoing research, existing datasets and models often fail to address the complexities…

计算与语言 · 计算机科学 2024-12-20 Arij Riabi , Virginie Mouilleron , Menel Mahamdi , Wissam Antoun , Djamé Seddah

Activity profiles of terrorist groups show frequent spurts and downfalls corresponding to changes in the underlying organizational dynamics. In particular, it is of interest in understanding changes in attributes such as…

应用统计 · 统计学 2016-04-08 Vasanthan Raghavan , Alexander G. Tartakovsky

This article illustrates an approach to forecasting change in conflict fatalities designed to address the complexity of the drivers and processes of armed conflicts. The design of this approach is based on two main choices. First, to…

应用统计 · 统计学 2022-05-30 Fulvio Attinà , Marcello Carammia , Stefano Maria Iacus

Terrorist attacks all across the world have become a major source of concern for almost all national governments. The United States Department of State's Bureau of Counter-Terrorism, maintains a list of 66 terrorist organizations spanning…

社会与信息网络 · 计算机科学 2019-02-11 Kaustav Basu , Chenyang Zhou , Arunabha Sen , Victoria Horan Goliber

After more than two decades of discussion, the concept of cyberterrorism remains plagued by confusion. This article presents the result of an integrative review which maps the development of the term and situates the epistemic communities…

计算机与社会 · 计算机科学 2020-12-17 Vince J. Straub

In this paper, we have initiated an attempt to develop and understand the driving mechanisms that underlie fourth-generation warfare. We have undertaken this from a perspective of endeavoring to understand the drivers of these events from a…

物理与社会 · 物理学 2018-07-26 Maurice Passman , Philip V. Fellman

Social media is a modern person's digital voice to project and engage with new ideas and mobilise communities $\unicode{x2013}$ a power shared with extremists. Given the societal risks of unvetted content-moderating algorithms for…

社会与信息网络 · 计算机科学 2023-01-30 Jarod Govers , Philip Feldman , Aaron Dant , Panos Patros

Named Entity Recognition (NER) is a challenging and widely studied task that involves detecting and typing entities in text. So far,NER still approaches entity typing as a task of classification into universal classes (e.g. date, person, or…

计算与语言 · 计算机科学 2023-02-22 Tristan Luiggi , Laure Soulier , Vincent Guigue , Siwar Jendoubi , Aurélien Baelde

With the rapid advancement of generative AI, synthetic content across images, videos, and audio has become increasingly realistic, amplifying the risk of misinformation. Existing detection approaches predominantly focus on binary…

机器学习 · 计算机科学 2025-07-23 Xu Yang , Qi Zhang , Shuming Jiang , Yaowen Xu , Zhaofan Zou , Hao Sun , Xuelong Li

Much effort is being made to ensure the safety of people. One of the main requirements of travellers and city administrators is to have knowledge of places that are more prone to criminal activities. To rate a place as a potential crime…

多媒体 · 计算机科学 2021-11-23 Shailendra Kumar Gupta , Shreyanshu Shekhar , Neeraj Goel , Mukesh Saini

The deep neural network has attained significant efficiency in image recognition. However, it has vulnerable recognition robustness under extensive data uncertainty in practical applications. The uncertainty is attributed to the inevitable…

机器学习 · 计算机科学 2023-08-02 Ruoxi Qin , Linyuan Wang , Xuehui Du , Xingyuan Chen , Bin Yan

Understanding the emergence of extreme opinions and in what kind of environment they might become less extreme is a central theme in our modern globalized society. A model combining continuous opinions and observed discrete actions (CODA)…

物理与社会 · 物理学 2008-10-09 André C. R. Martins