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This paper proposes a new linearized mixed data sampling (MIDAS) model and develops a framework to infer clusters in a panel regression with mixed frequency data. The linearized MIDAS estimation method is more flexible and substantially…

计量经济学 · 经济学 2021-02-04 Yeonwoo Rho , Yun Liu , Hie Joo Ahn

This study aims to integrate, clean and analysis through automated data mining techniques. Using data mining (DM) techniques is one of the processes of transferring raw data from current educational system to meaningful information that can…

计算机与社会 · 计算机科学 2019-09-04 Tajul Rosli Razak , Abdul Hapes Mohammed , Noorfaizalfarid Mohd Noor , Muhamad Arif Hashim

Intrusion detection system (IDS) is one of extensively used techniques in a network topology to safeguard the integrity and availability of sensitive assets in the protected systems. Although many supervised and unsupervised learning…

密码学与安全 · 计算机科学 2020-04-03 Yuyang Zhou , Guang Cheng , Shanqing Jiang , Mian Dai

With rapidly increasing data, clustering algorithms are important tools for data analytics in modern research. They have been successfully applied to a wide range of domains; for instance, bioinformatics, speech recognition, and financial…

数据结构与算法 · 计算机科学 2015-12-01 Ka-Chun Wong

In this work we investigate a new approach for detecting attacks which aim to degrade the network's Quality of Service (QoS). To this end, a new network-based intrusion detection system (NIDS) is proposed. Most contemporary NIDSs take a…

密码学与安全 · 计算机科学 2013-06-21 Eitan Menahem , Gabi Nakibly , Yuval Elovici

Given a stream of graph edges from a dynamic graph, how can we assign anomaly scores to edges in an online manner, for the purpose of detecting unusual behavior, using constant time and memory? Existing approaches aim to detect individually…

机器学习 · 计算机科学 2020-08-25 Siddharth Bhatia , Bryan Hooi , Minji Yoon , Kijung Shin , Christos Faloutsos

In today's data-driven world, the proliferation of publicly available information raises security concerns due to the information leakage (IL) problem. IL involves unintentionally exposing sensitive information to unauthorized parties via…

机器学习 · 统计学 2025-06-02 Pritha Gupta , Marcel Wever , Eyke Hüllermeier

Intrusion Detection System (IDS) has increasingly become a crucial issue for computer and network systems. Optimizing performance of IDS becomes an important open problem which receives more and more attention from the research community.…

密码学与安全 · 计算机科学 2012-10-30 Heba Ezzat Ibrahim , Sherif M. Badr , Mohamed A. Shaheen

Intrusion Detection is an invaluable part of computer networks defense. An important consideration is the fact that raising false alarms carries a significantly lower cost than not detecting at- tacks. For this reason, we examine how…

密码学与安全 · 计算机科学 2008-07-15 Aikaterini Mitrokotsa , Christos Dimitrakakis , Christos Douligeris

Class imbalance refers to a situation where certain classes in a dataset have significantly fewer samples than oth- ers, leading to biased model performance. Class imbalance in network intrusion detection using Tabular Denoising Diffusion…

密码学与安全 · 计算机科学 2026-02-02 Aravind B , Anirud R. S. , Sai Surya Teja N , Bala Subrahmanya Sriranga Navaneeth A , Karthika R , Mohankumar N

We consider the problem of approximate reduction of non-deterministic automata that appear in hardware-accelerated network intrusion detection systems (NIDSes). We define an error distance of a reduced automaton from the original one as the…

形式语言与自动机理论 · 计算机科学 2018-02-22 Milan Ceska , Vojtech Havlena , Lukas Holik , Ondrej Lengal , Tomas Vojnar

An intrusion detection system (IDS) is a vital security component of modern computer networks. With the increasing amount of sensitive services that use computer network-based infrastructures, IDSs need to be more intelligent and…

机器学习 · 计算机科学 2021-01-20 Amir Andalib , Vahid Tabataba Vakili

Intrusion Detection is one of major threats for organization. The approach of intrusion detection using text processing has been one of research interests which is gaining significant importance from researchers. In text mining based…

密码学与安全 · 计算机科学 2016-03-15 Gunupudi RajeshKumar , N Mangathayaru , G Narsimha

Recommender systems play a crucial role in helping users to find their interested information in various web services such as Amazon, YouTube, and Google News. Various recommender systems, ranging from neighborhood-based,…

密码学与安全 · 计算机科学 2021-01-11 Hai Huang , Jiaming Mu , Neil Zhenqiang Gong , Qi Li , Bin Liu , Mingwei Xu

A Network Intrusion Detection System (NIDS) is a network security technology for detecting intruder attacks. However, it produces a great amount of low-level alerts which makes the analysis difficult, especially to construct the attack…

密码学与安全 · 计算机科学 2021-10-19 Taqwa Ahmed Alhaj , Maheyzah Md Siraj , Anazida Zainal , Inshirah Idris , Anjum Nazir , Fatin Elhaj , Tasneem Darwish

In the most intrusion detection systems (IDS), a system tries to learn characteristics of different type of attacks by analyzing packets that sent or received in network. These packets have a lot of features. But not all of them is required…

密码学与安全 · 计算机科学 2013-05-13 Shafigh Parsazad , Ehsan Saboori , Amin Allahyar

Automatic International Classification of Diseases (ICD) coding is defined as a kind of text multi-label classification problem, which is difficult because the number of labels is very large and the distribution of labels is unbalanced. The…

计算与语言 · 计算机科学 2021-06-21 Yifan Wu , Min Zeng , Ying Yu , Min Li

Intrusion Detection Systems (IDS) have long been a hot topic in the cybersecurity community. In recent years, with the introduction of deep learning (DL) techniques, IDS have made great progress due to their increasing generalizability. The…

密码学与安全 · 计算机科学 2025-10-14 Zhiwei Xu , Yujuan Wu , Shiheng Wang , Jiabao Gao , Tian Qiu , Ziqi Wang , Hai Wan , Xibin Zhao

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…

密码学与安全 · 计算机科学 2024-03-21 Md. Ashraf Uddin , Sunil Aryal , Mohamed Reda Bouadjenek , Muna Al-Hawawreh , Md. Alamin Talukder

With the development of information technology and the Internet, recommendation systems have become an important means to solve the problem of information overload. However, recommendation system is greatly fragile as it relies heavily on…

密码学与安全 · 计算机科学 2019-08-21 Wanqiao Yuan , Yingyuan Xiao , Xu Jiao , Wenguang Zheng , Zihao Ling