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arXiv 2025年

作者： Pilgram, Lisa Dankar, Fida K. Drechsler, Jörg Elliot, Mark Domingo-Ferrer, Josep Francis, Paul Kantarcioglu, Murat Kong, Linglong Malin, Bradley Muralidhar, Krishnamurty Myles, Puja Prasser, Fabian Raisaro, Jean Louis Yan, Chao El Emam, Khaled School of Epidemiology and Public Health University of Ottawa ON Canada CHEO Research Institute ON Canada Department of Nephrology and Medical Intensive Care Charité – Universitätsmedizin Berlin Berlin Germany Department for Statistical Methods Institute for Employment Research Nuernberg Germany Institute for Statistics Ludwig-Maximilians-Universität Munich Germany Joint Program in Survey Methodology University of Maryland United States The Cathie Marsh Institute Research School of Social Sciences University of Manchester Manchester United Kingdom Department of Computer Engineering and Mathematics Universitat Rovira i Virgili Catalonia Tarragona Spain Max Planck Institute for Software Systems Germany Department of Computer Science Virginia Tech United States Department of Mathematical and Statistical Sciences University of Alberta Alberta Canada Department of Biomedical Informatics Vanderbilt University Medical Center NashvilleTN United States Department of Biostatistics Vanderbilt University Medical Center NashvilleTN United States Department of Computer Science Vanderbilt University NashvilleTN United States Department of Marketing and Supply Chain Management University of Oklahoma Oklahoma United States Medicines and Healthcare products Regulatory Agency London United Kingdom Berlin Institute of Health at Charité Universitätsmedizin Berlin Medical Informatics Group Berlin Germany Biomedical Data Science Center University Hospital Lausanne Lausanne Switzerland

Synthetic data generation is one approach for sharing individual-level data. However, to meet legislative requirements, it is necessary to demonstrate that the individuals’ privacy is adequately protected. There is no consolidated standard for measuring privacy in synthetic data. Through an expert panel and consensus process, we developed a framework for evaluating privacy in synthetic data. Our findings indicate that current similarity metrics fail to measure identity disclosure, and their use is discouraged. For differentially private synthetic data, a privacy budget other than close to zero was not considered interpretable. There was consensus on the importance of membership and attribute disclosure, both of which involve inferring personal information about an individual without necessarily revealing their identity. The resultant framework provides precise recommendations for metrics that address these types of disclosures effectively. Our findings further present specific opportunities for future research that can help with widespread adoption of synthetic data. © 2025, CC BY.

关键词： Differential privacy

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Evaluating the usability of Internet networked virtual environments

Evaluating the usability of Internet networked virtual envir...

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1st International Conference on Internet Technologies and Applications, ITA 05

作者： Castán, Hector Sánchez-Alonso, Salvador Department of Languages and Systems and Software Engineering Pontifical University of Salamanca Madrid Campus Spain Computer Science Department University of Alcala Madrid Spain

ISBN: (纸本)0946881324

Internet networked virtual environments, such as VRML-based environments, should provide a satisfactory immersive experience to users. However, the time needed to download them and display them in the user platform, as well as the time delays in effectively starting an interaction, may adversely influence the overall user satisfaction. This article shows the results of a series of usability tests oriented towards improving Internet networked virtual environments construction by analysing the influence of time delays and other problems in the users' perception of virtual environments.

关键词： Time delay

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Baseline efficiency in EPON based architecture to inter-network substations

Baseline efficiency in EPON based architecture to inter-netw...

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2009 2nd International Conference on computer, Control and Communication, IC4 2009

作者： Raza, Ali Ullah, Khalil Ahmed, Saleem Ahmed, Salman Jang, Hyuk-Soo Yang, Hyo-Sik Department of Computer Software Myongji University Yongin Korea Republic of Department of Electronics and Communication Engineering Myongji University Yongin Korea Republic of Department of Computer Engineering Sejong University Seoul Korea Republic of Department of Computer Systems Engineering Mehran University Jamshoro Pakistan

ISBN: (纸本)9781424433148

The design of cost-effective, interoperable, and efficient communication architecture is indeed one of the pressing needs not only for the realization of substation automation (SA) as per specification of IEC61850 but also to inter-connect different substations with minimum cost to bring data from all substations on the single information highway thereby paving a smooth way to centralize all the available information. Ethernet technology has dramatically changed the communication trend because of its availability, efficiency, cost effectiveness, proven interoperability, and capability to drive on-demand bandwidth as per incremental growth and expansion of the network and on the other hand optical fiber communication system is one of the technically attractive communication medium due to its high capacity, efficiency, and security. Therefore, EPON (Ethernet Passive Optical Network) is the desired communication paradigm for the SA as it is shipped with the two most demanding communication trends, i.e., Ethernet and Fiber Optics in a single package. EPON underscores the importance of not only last-mile operability for inter-connecting different substations but can also play a vital role when ATM is replaced with GPON (Gigabit Passive Optical Network) for the long-haul communication thereby saving the cost of protocol conversion. In this paper we propose EPON as the desired communication architecture for inter-connecting substations and present analysis related to the significant importance of EPON with respect to the deployment in the substation environment both internally and externally. Finally we show the result of simulations to validate the deployment and effectiveness of our purposed communication paradigm for substation.

关键词： Cost effectiveness

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Gigabit Ethernet based substation under IEC61850 standard

Gigabit Ethernet based substation under IEC61850 standard

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2009 2nd International Conference on computer, Control and Communication, IC4 2009

ISBN: (纸本)9781424433148

Communication architecture for substation automation is one of the challenging and subtle tasks to address in order to visualize the substation into digital world under the umbrella of IEC61850. Communication paradigm for substation automation demands critical importance because of two reasons;as communication arena is changing day by day so it is convenient to opt for something that is simple to deploy and incur a less cost in terms of time and asset when migration is to be considered since data-intensive applications drive the incremental demand for bandwidth as per growing need with the expansion of concerned network and last but not least the interoperability as it is one of the core constrained put by IEC61850 for substation automation. So it is viable to consider Ethernet as the most promising solution for the communication architecture of substation automation as Ethernet technology has changed the trend of communication network because of its availability, efficiency, and cost effectiveness on the other hand interoperability is assured based on the proven and highly deployed industrial Ethernet. This paper presents analysis and the crucial need for the deployment of Gigabit Ethernet in the substation and also presents how Ethernet technology can help in the substation automation as a long run solution in the changing arena of communication as Ethernet is one of the most pervasive communication technologies. In the end we have performed simulations in NS-2 to prove that our suggested communication paradigm is optimal in various regards by keeping into consideration the constraints imposed by IEC61850.

关键词： Ethernet

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Decomposition and lossless join in constraint databases 2nd

Decomposition and lossless join in constraint databases

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2nd International Workshop on Constraint Database systems, CDB 1997 and held with Workshop on Constraints and Databases, CP 1996

作者： Wang, Yujun Shi, Baile Qu, Yunyao Department of Computer Science Fudan University Shanghai200433 China Department of Information and Software Systems Engineering George Mason University United States

ISBN: (纸本)3540625011

As a very promising new data model, constraint database is attracting a growing interest recently. For better applications, we need to study its design theory. But to the best of our knowledge, no papers about the design of constraint databases could be found. So we hope to extend the well-developed design theory in relational databases to constraint databases. We introduce the notions such as variable independence, functional dependency, decomposition, lossless join and canonical form, etc. in the context of constraint databases. We present an algorithm to compute the canonical form of a dense-order constraint relation over a variable set, which preserve a variable independence of every generalized tuple and prove its correctness. Our main result is to prove that the existence of variable independence and functional dependency under some conditions, can decide whether a dense-order constraint relation scheme has a lossless-join decomposition. Our work provides basic theoretic results and an algorithm for the scheme design which is central in the design of dense-order constraint databases. © Springer-Verlag Berlin Heidelberg 1996.

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Intelligent System to Maximize Customer Experience in Restaurants 5

Intelligent System to Maximize Customer Experience in Restau...

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5th International Conference on Advancements in Computing, ICAC 2023

作者： Jayalal, R.U.A. Nimeshika, Y.E. Samarasekara, G.N.N. Wijerathna, G.R.C.I. Gamage, Narmada Gunathilake, Poojani Sri Lanka Institute of Information Technology Department of Computer Systems Engineering Malabe Sri Lanka Sri Lanka Institute of Information Technology Department of Computer Science and Software Engineering Malabe Sri Lanka

ISBN: (纸本)9798350358131

With technological improvements in the restaurant industry, competition is fierce, and a restaurant's success depends on providing excellent and luxury customer satisfaction. The food industry has had to continuously advance with technology in order to adequately satisfy the wants of people leading increasingly luxurious lives. While some restaurants still rely on manpower, the majority are eager to advance with technology in order to improve the standard of their offerings and enhance their customers' experiences. In order to optimize customer satisfaction and experience, this research project intends to investigate the potential of intelligence in the restaurant business. This research has explored intelligent systems such as digital self-service menus for ordering food, augmented reality (AR) visualization systems for customers, the observation of chefs in the kitchen, and the usage of robots to serve meals. This research paper analyzes the advantages of automating restaurant operations and how to do so to enhance customer satisfaction. Overall, this study has the potential to transform the restaurant industry and increase customer satisfaction. © 2023 IEEE.

关键词： Augmented reality

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A Policy Recommendations Framework to Resolve Global software Development Issues 3

A Policy Recommendations Framework to Resolve Global Softwar...

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3rd International Conference on Innovative Computing, ICIC 2019

作者： Hassan, Mujtaba Hussain, Muzammil Ayubi, Salah-U-Din Irfan, Maham School of Systems and Technology University of Management and Technology Department of Software Engineering Lahore Pakistan School of Systems and Technology University of Management and Technology Department of Computer Science Lahore Pakistan

ISBN: (纸本)9781728146829

Global software development (GSD) is basically a development which is done through low cost in given time frame by sitting in remote areas within cities, countries and around the globe. The global software development is facing major challenges such as, time zone differences, language barrier, cultural differences, geographical distance, communication gap, coordination problems, lack of project guidance, lack of experienced software testers, customer dissatisfaction, poor project management and so on. These challenges has major impact on software quality in GSD and decreases the acceptability among its users. In recent years, some strategies had been applied to reduce quality related issues that exist in GSD, however there is still a need to develop effective and efficient methods, techniques and best practices that can lead to enhance the quality of software development. The main objective of this article is to highlight the existing issues of GSD and to provide the policy recommendations to mitigate them. Therefore, a quantitative analysis have been performed that provides detailed statistical analysis on data by analyzing and applying nonparametric test (rejected the null hypothesis with less than 0.5 significance) and one sample T-test (with 2-tailed significance difference 0.00) through SPSS. Hence, this work contributes by making strong policy recommendations which is explained how GSD project should be handled by selecting best process, and how to achieve maximum quality of software product for customers to satisfy them, improve the acceptance among its users, bring their trust back to gain more business, and overall development in (software) industry. © 2019 IEEE.

关键词： Project management

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Proposing Model for Security of IoT Devices in Smart Logistics: A Review 3

Proposing Model for Security of IoT Devices in Smart Logisti...

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3rd International Conference on Computing, Mathematics and engineering Technologies, iCoMET 2020

作者： Abbas, Arbab Waseem Nawaz Khan Marwat, Safdar Ahmed, Salman Hafeez, Abdul Ullah, Khalil Khan, Ihsan Ullah University of Engineering Technology Department of Computer Systems Engg Peshawar Pakistan Department of Computer Science Pakistan University of Malakand Department of Software Engg Dir Lower Pakistan Islamabad Pakistan

ISBN: (纸本)9781728149707

The information technology's new revolution is Internet of Things (IoT), where physical world is connected to the internet. IoT applications are diversified such as smart health, smart industry, smart homes and most importantly smart logistics for perishable items conservation. Although IoT devices have revolutionized world but due to their constrained nature they are at the cost of a greater risk of personal data loss, security breaches and misuse. In this research, a review is presented for proposing two state of the art modules i.e. communication model of smart logistics and security of IoT devices in Smart Logistics. As the smart logistics have perishable items i.e. fruits, vegetables, meat, medicine, chemicals, and cosmetics etc. which are sensitive to temperature, humidity and pressure etc. If the sensors monitoring these items have been handled abnormally due to security attacks, it will give huge loss. Therefore, security of smart logistics is of paramount importance in this research. In order to expedite research in this emergent area of IoT, in this research paper a brief review on progress of IoT in smart logistics, and its security has been presented. © 2020 IEEE.

关键词： Cybersecurity

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Fine-Tuning Cyber Security Defenses: Evaluating Supervised Machine Learning Classifiers for Windows Malware Detection

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computers, Materials & Continua 2024年第8期80卷 2917-2939页

作者： Islam Zada Mohammed Naif Alatawi Syed Muhammad Saqlain Abdullah Alshahrani Adel Alshamran Kanwal Imran Hessa Alfraihi Department of Software Engineering International Islamic UniversityIslamabad25000Pakistan Information Technology Department Faculty of Computers and Information TechnologyUniversity of TabukTabuk71491Saudi Arabia Department of Computer Science and Artificial Intelligence College of Computer Science and EngineeringUniversity of JeddahJeddah21493Saudi Arabia Department of Cybersecurity College of Computer Science and EngineeringUniversity of JeddahJeddah21493Saudi Arabia Department of Computer Science University of PeshawarPeshawar25121Pakistan Department of Information Systems College of Computer and Information SciencesPrincess Nourah bint Abdulrahman UniversityRiyadh11671Saudi Arabia

Malware attacks on Windows machines pose significant cybersecurity threats,necessitating effective detection and prevention *** machine learning classifiers have emerged as promising tools for malware ***,there remains a need for comprehensive studies that compare the performance of different classifiers specifically for Windows malware *** this gap can provide valuable insights for enhancing cybersecurity *** numerous studies have explored malware detection using machine learning techniques,there is a lack of systematic comparison of supervised classifiers for Windows malware *** the relative effectiveness of these classifiers can inform the selection of optimal detection methods and improve overall security *** study aims to bridge the research gap by conducting a comparative analysis of supervised machine learning classifiers for detecting malware on Windows *** objectives include Investigating the performance of various classifiers,such as Gaussian Naïve Bayes,K Nearest Neighbors(KNN),Stochastic Gradient Descent Classifier(SGDC),and Decision Tree,in detecting Windows *** the accuracy,efficiency,and suitability of each classifier for real-world malware detection *** the strengths and limitations of different classifiers to provide insights for cybersecurity practitioners and *** recommendations for selecting the most effective classifier for Windows malware detection based on empirical *** study employs a structured methodology consisting of several phases:exploratory data analysis,data preprocessing,model training,and *** data analysis involves understanding the dataset’s characteristics and identifying preprocessing *** preprocessing includes cleaning,feature encoding,dimensionality reduction,and optimization to prepare the data for *** training utilizes various

关键词： Security and privacy challenges in the context of requirements engineering supervisedmachine learning malware detection windows systems comparative analysis Gaussian Naive Bayes K Nearest Neighbors Stochastic Gradient Descent Classifier Decision Tree

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The role of social networks in technology appropriation over time

The role of social networks in technology appropriation over...

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19th Australasian Conference on Information systems, ACIS 2008

作者： Bosua, Rachelle Mendoza, Antonette Department of Information Systems The University of Melbourne Melbourne VIC Australia Department of Computer Science and Software Engineering The University of Melbourne Melbourne VIC Australia

A number of factors and elements influence the introduction and long-term use of Information systems (IS) in organisations. Studies in long-term technology use indicate that influences that support users' decision to adopt technology are not sufficient to encourage long-term use. Based on two case studies in an educational setting, we suggest that social networks play a key role in facilitating technology appropriation and encouraging continued long-term use of technology. Findings indicate that supportive social networks are instrumental to share knowledge, enhance learning, build trust, encourage users to resolve complex problems and subsequently pursue and sustain technology use over long periods of time. © 2008 Rachelle Bosua and Antonette Mendoza.

关键词： Information systems

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