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In Iterative Learning Control (ILC), a sequence of feedforward control actions is generated at each iteration on the basis of partial model knowledge and past measurements with the goal of steering the system toward a desired reference…

Systems and Control · Electrical Eng. & Systems 2022-04-12 Efe C. Balta , Andrea Iannelli , Roy S. Smith , John Lygeros

An Intrusion Detection System (IDS) is a software that monitors a single or a network of computers for malicious activities (attacks) that are aimed at stealing or censoring information or corrupting network protocols. Most techniques used…

Cryptography and Security · Computer Science 2015-05-12 Mahdi Zamani , Mahnush Movahedi

In today's digital age, our dependence on IoT (Internet of Things) and IIoT (Industrial IoT) systems has grown immensely, which facilitates sensitive activities such as banking transactions and personal, enterprise data, and legal document…

Cryptography and Security · Computer Science 2024-03-21 Md. Ashraf Uddin , Sunil Aryal , Mohamed Reda Bouadjenek , Muna Al-Hawawreh , Md. Alamin Talukder

The lack of large realistic datasets presents a bottleneck in online deception detection studies. In this paper, we apply a data collection method based on social network analysis to quickly identify high-quality deceptive and truthful…

Computation and Language · Computer Science 2017-08-01 Wenlin Yao , Zeyu Dai , Ruihong Huang , James Caverlee

With the rise of online and virtual learning, monitoring and enhancing student engagement have become an important aspect of effective education. Traditional methods of assessing a student's involvement might not be applicable directly to…

Machine Learning · Computer Science 2025-10-28 James Thiering , Tarun Sethupat Radha Krishna , Dylan Zelkin , Ashis Kumer Biswas

Procrastination, the irrational delay of tasks, is a common occurrence in online learning. Potential negative consequences include higher risk of drop-outs, increased stress, and reduced mood. Due to the rise of learning management systems…

Machine Learning · Statistics 2022-07-01 Christof Imhof , Ioan-Sorin Comsa , Martin Hlosta , Behnam Parsaeifard , Ivan Moser , Per Bergamin

Anomalies in online social networks can signify irregular, and often illegal behaviour. Anomalies in online social networks can signify irregular, and often illegal behaviour. Detection of such anomalies has been used to identify malicious…

Social and Information Networks · Computer Science 2016-08-02 David Savage , Xiuzhen Zhang , Xinghuo Yu , Pauline Chou , Qingmai Wang

Online exams are more attractive after the Covid-19 pandemic. Furthermore, during recruitment, online exams are used. However, there are more cheating possibilities for online exams. Assigning a proctor for each exam increases cost. At this…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Mert Ege , Mustafa Ceyhan

We study online changepoint detection in the context of a linear regression model. We propose a class of heavily weighted statistics based on the CUSUM process of the regression residuals, which are specifically designed to ensure timely…

Methodology · Statistics 2024-02-08 Fabrizio Ghezzi , Eduardo Rossi , Lorenzo Trapani

Internet has played a vital role in this modern world, the possibilities and opportunities offered are limitless. Despite all the hype, Internet services are liable to intrusion attack that could tamper the confidentiality and integrity of…

Cryptography and Security · Computer Science 2009-06-23 M. A. Faizal , M. Mohd Zaki , S. Shahrin , Y. Robiah , S. Siti Rahayu , B. Nazrulazhar

The large number of sensors and actuators that make up the Internet of Things obliges these systems to use diverse technologies and protocols. This means that IoT networks are more heterogeneous than traditional networks. This gives rise to…

With the ever-increasing spread of misinformation on online social networks, it has become very important to identify the spreaders of misinformation (unintentional), disinformation (intentional), and misinformation refutation. It can help…

Social and Information Networks · Computer Science 2023-05-02 Euna Mehnaz Khan , Ayush Ram , Bhavtosh Rath , Emily Vraga , Jaideep Srivastava

Online rating systems are subject to malicious behaviors mainly by posting unfair rating scores. Users may try to individually or collaboratively promote or demote a product. Collaborating unfair rating 'collusion' is more damaging than…

Cryptography and Security · Computer Science 2012-11-06 Mohammad Allahbakhsh , Aleksandar Ignjatovic , Boualem Benatallah , Seyed-Mehdi-Reza Beheshti , Norman Foo , Elisa Bertino

Internet censorship is a phenomenon of societal importance and attracts investigation from multiple disciplines. Several research groups, such as Censored Planet, have deployed large scale Internet measurement platforms to collect network…

Machine Learning · Computer Science 2023-02-28 Shawn P. Duncan , Hui Chen

In the past few years, cybersecurity is becoming very important due to the rise in internet users. The internet attacks such as Denial of service (DoS) and Distributed Denial of Service (DDoS) attacks severely harm a website or server and…

Cryptography and Security · Computer Science 2023-08-21 Arun Kumar Silivery , Kovvur Ram Mohan Rao , L K Suresh Kumar

Content moderation is the process of screening and monitoring user-generated content online. It plays a crucial role in stopping content resulting from unacceptable behaviors such as hate speech, harassment, violence against specific…

Computation and Language · Computer Science 2023-01-02 Álvaro Huertas-García , Alejandro Martín , Javier Huertas Tato , David Camacho

The paper proposes a new latent variable model for the simultaneous (two-way) detection of outlying individuals and items for item-response-type data. The proposed model is a synergy between a factor model for binary responses and…

Methodology · Statistics 2021-10-25 Yunxiao Chen , Yan Lu , Irini Moustaki

Industrial control systems are critical to the operation of industrial facilities, especially for critical infrastructures, such as refineries, power grids, and transportation systems. Similar to other information systems, a significant…

Machine Learning · Computer Science 2019-12-10 Guangxia Lia , Yulong Shena , Peilin Zhaob , Xiao Lu , Jia Liu , Yangyang Liu , Steven C. H. Hoi

It has been recently shown in the literature that the sample averages from online learning experiments are biased when used to estimate the mean reward. To correct the bias, off-policy evaluation methods, including importance sampling and…

Machine Learning · Computer Science 2021-12-02 Ningyuan Chen , Xuefeng Gao , Yi Xiong

Several Machine Learning (ML) methodologies have been proposed to improve security in Internet Of Things (IoT) networks and reduce the damage caused by the action of malicious agents. However, detecting and classifying attacks with high…

Networking and Internet Architecture · Computer Science 2023-02-28 Diego Abreu , Antônio Abelém