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AI-Driven Learning Management Systems:Modern Developments, Challenges and Future Trends during theAge of ChatGPT

Computers, Materials & Continua 2024年第8期80卷 3289-3314页

作者： Sameer Qazi Muhammad Bilal Kadri Muhammad Naveed Bilal AKhawaja Sohaib Zia Khan Muhammad Mansoor Alam Mazliham Mohd Su’ud Department of Computer Science Faculty of EngineeringScience and TechnologyIQRA UniversityKarachi75500Pakistan College of Computer and Information Sciences Prince Sultan UniversityRiyadh11586Saudi Arabia Faculty of Engineering Department of Electrical EngineeringIslamic University of MadinahP.O.BOX 170Madinah41411Saudi Arabia Faculty of Engineering Department of Mechanical EngineeringIslamic University of MadinahP.O.BOX 170Madinah41411Saudi Arabia Faculty of Computing Riphah International UniversityIslamabad46000Pakistan Faculty of Computing and Informatics(FCI)Multimedia University Cyberjaya63100Malaysia Faculty of Engineering and Information Technology School of Computer ScienceUniversity of Technology SydneySydneyNSW 2007Australia

COVID-19 pandemic restrictions limited all social activities to curtail the spread of the *** foremost and most prime sector among those affected were schools,colleges,and *** education system of entire nations had shifted to online education during this *** shortcomings of Learning Management Systems(LMSs)were detected to support education in an online mode that spawned the research in Artificial Intelligence(AI)based tools that are being developed by the research community to improve the effectiveness of *** paper presents a detailed survey of the different enhancements to LMSs,which are led by key advances in the area of AI to enhance the real-time and non-real-time user *** AI-based enhancements proposed to the LMSs start from the Application layer and Presentation layer in the form of flipped classroom models for the efficient learning environment and appropriately designed UI/UX for efficient utilization of LMS utilities and resources,including AI-based *** layer enhancements are also required,such as AI-based online proctoring and user authentication using *** extend to the Transport layer to support real-time and rate adaptive encrypted video transmission for user security/privacy and satisfactory working of *** also needs the support of the Networking layer for IP-based geolocation features,the Virtual Private Network(VPN)feature,and the support of Software-Defined Networks(SDN)for optimum Quality of Service(QoS).Finally,in addition to these,non-real-time user experience is enhanced by other AI-based enhancements such as Plagiarism detection algorithms and Data Analytics.

关键词： Learning management systems chatbots ChatGPT online education Internet of Things(IoT) artificial intelligence(AI) convolutional neural networks natural language processing

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Recent advances in heterogeneous catalysis of solar-driven carbon dioxide conversion

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Journal of Environmental Sciences 2024年第6期140卷 165-182页

作者： Jun Xu Farzaneh Arabpour Roghabadi Ying Luo Vahid Ahmadi Qian Wang Zheng Wang Hong He State Key Joint Laboratory of Environment Simulation and Pollution Control Research Center for Eco-Environmental SciencesChinese Academy of SciencesBeijing 100085China College of Chemistry and Chemical Engineering Henan Polytechnic UniversityJiaozuoHenan 454000China Department of Process Engineering Faculty of Chemical EngineeringTarbiat Modares UniversityTehranIran Optoelectronics and Nanophotonics Research Group Faculty of Electrical and Computer EngineeringTarbiat Modares UniversityTehranIran Graduate School of Engineering Nagoya UniversityFuro-choChikusa-kuNagoya 464-8603Japan

Solar-driven carbon dioxide(CO_(2))conversion including photocatalytic(PC),photoelectrochemical(PEC),photovoltaic plus electrochemical(PV/EC)systems,offers a renewable and scalable way to produce fuels and high-value chemicals for environment and energy *** review summarizes the basic fundament and the recent advances in the field of solar-driven CO_(2)*** the visible-light absorption is an important strategy to improve solar energy conversion *** separation and migration of photogenerated charges carriers to surface sites and the surface catalytic processes also determine the photocatalytic *** engineering including co-catalyst loading,defect engineering,morphology control,surface modification,surface phase junction,and Z-scheme photocatalytic system construction,have become fundamental strategies to obtain high-efficiency *** to photocatalysis,these strategies have been applied to improve the conversion efficiency and Faradaic efficiency of typical PEC *** PV/EC systems,the electrode surface structure and morphology,electrolyte effects,and mass transport conditions affect the activity and selectivity of electrochemical CO_(2)***,the challenges and prospects are addressed for the development of solar-driven CO_(2)conversion system with high energy conversion efficiency,high product selectivity and stability.

关键词： Solar-driven CO_(2)reduction Photocatalytic system Photoelectrochemical system Photovoltaic plus electrochemical system Surface/interface engineering

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Low Latency Video Streaming System for VR Teleoperation over 5G Networks 3

Low Latency Video Streaming System for VR Teleoperation over...

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3rd IEEE International Conference on Metrology for eXtended Reality, Artificial Intelligence and Neural engineering, MetroXRAINE 2024

作者： Blázovics, László Kovács, Viktor Gótzy, Márton Budapest University of Technology and Economics Faculty of Electrical Engineering and Informatics Department of Automation and Applied Informatics BudapestH-1111 Hungary

ISBN: (纸本)9798350378009

With the introduction of 5G networks, high-speed low-latency network connections became available for mobile and embedded devices without the limited range of WiFi networks. Although the source and the destination can now be hundreds of kilometres away, the communication between them can be flawless. Our goal is to have a low cost, low power, lightweight device that is able to stream video for UAV (unmanned aerial vehicles), mobile robot teleoperation over 5G networks to AR/VR (augmented/virtual reality) applications, to large distances without the need for line of sight. In this paper we compare the latency of existing low cost video streamer solutions (UAV camera streaming, single board computer) and present a custom hardware-software solution optimized for low latency, while conducting measurements over different network types (wired, campus 5G, public 5G). We have shown that the custom device was able to achieve with significantly lower latency (50-80 ms direct over direct connection, about 100-150 ms over public 5G). © 2024 IEEE.

关键词： 5G mobile communication systems

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Experimental Framework for Secure Post-Quantum TLS Client-Server Communication 66

Experimental Framework for Secure Post-Quantum TLS Client-Se...

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66th International Symposium ELMAR, ELMAR 2024

作者： Kupcova, Eva Simko, Jozef Pleva, Matus Drutarovsky, Milos Technical University of Kosice Faculty of Electrical Engineering and Informatics Department of Electronics and Multimedia Telecommunications Kosice Slovakia

ISBN: (纸本)9798350375411

This article presents the development of an experimental framework for secure communication between client and server. The framework is based on the TLS 1.3 protocol and utilizes post-quantum cryptography. This framework aims to enable our further development in the field of post-quantum cryptography through the integration and testing of post-quantum algorithms, as well as the generation of corresponding certificates for our future sensor nodes. This framework has the potential to provide a platform for experimenting with new security technologies and contribute to the future development of cryptographic systems in the context of wireless communication, the Internet of Things, and sensor nodes. © 2024 IEEE.

关键词： Quantum cryptography

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Possible use of virtual reality in the therapist-patient interaction 21

Possible use of virtual reality in the therapist-patient int...

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21st International Conference on Emerging eLearning Technologies and Applications, ICETA 2023

作者： Sobota, B. Minova, J. Korecko, S. Mattova, M. Steingartner, W. Technical University of Košice Faculty of Electrical Engineering and Informatics Department of Computers and Informatics Slovakia

ISBN: (纸本)9798350370690

This paper describes in short, the therapeutic system implemented in virtual reality. The primary focus of the paper is to the description of the functionality of animation settings within the parameters of interaction/rehabilitation, visualization and functionalization of the system. With this system, the patient can be stimulated under the supervision of a therapist to practice some rehabilitation/training procedures. In addition, the therapist can demonstrate the desired action to the patient. Due to the use of collaborative virtual reality, this process can be also applied in a distance form and thus it expands the therapist-patient interaction. © 2023 IEEE.

关键词： Virtual reality

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Real-time Simulation Framework for Validating Controllers of Virtual Synchronous Generators

Renewable Energy and Power Quality Journal

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Renewable Energy and Power Quality Journal 2023年 21卷 286-291页

作者： Chowdhury, M.M.R. Stranyóczky, L. Sütő, Z. Department of Automation and Applied Informatics Faculty of Electrical Engineering and Informatics Budapest University of Technology and Economics Műegyetem rkp. 3 BudapestH-1111 Hungary

The utilization of active rectifiers as converters in the interface between AC and DC microgrids has become a prevalent practice owing to their capacity to facilitate bidirectional power flow. The contemporary methodology for the development of power converters includes the integration of real-time simulation steps for the validation of control schemes and the assurance of safe implementation with hardware. The present study pro-poses a methodology for developing a real-time Hardware-in-the-Loop (HIL) simulation framework, which aims to facilitate the rapid prototyping of advanced control algorithms for an Active-Front-End (AFE) rectifier, especially a Virtual Synchronous Generator (VSG) control strategy. This approach aims to enhance the dynamic performance and stability of low-inertia power systems by mimicking the behavior of a synchronous generator, thereby providing virtual inertia to the power system. The control schemes and the primary circuit models are designed and implemented uti-lizing Matlab/Simulink and are optimized for code generation. © 2023, European Association for the Development of Renewable Energy, Environment and Power Quality (EA4EPQ). All rights reserved.

关键词： Simulink

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Measuring and Mitigating Stereotype Bias in Language Models: An Overview of Debiasing Techniques 66

Measuring and Mitigating Stereotype Bias in Language Models:...

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66th International Symposium ELMAR, ELMAR 2024

作者： Sokolova, Zuzana Harahus, Maros Stas, Jan Kupcova, Eva Sokol, Miroslav Kocturova, Marianna Juhar, Jozef Technical University of Košice Faculty of Electrical Engineering and Informatics Department of Electronics and Multimedia Communications Slovakia

ISBN: (纸本)9798350375411

This paper provides an overview of methods for measuring the stereotype bias of pre-trained language models. It explains the term 'stereotype bias' and its measurement. A comprehensive review of language model debiasing techniques, including Dropout, Counterfactual Data Augmentation, Iterative Nullspace Projection, Sent-Debias, Self-Debias, Context-Debias, FairFil, and Auto-Debias, is provided. Subsequently, these techniques are compared, and their advantages and disadvantages are highlighted. In addition, there is an explanation of how these techniques work simply. In the future, debiasing techniques will be tested on pre-trained models for the Slovak language, focusing on the task of toxic language detection. © 2024 IEEE.

关键词： Economic and social effects

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Understanding Electrochemical Migration Behavior in Fe2O3-Enhanced SAC Lead-Free Alloys 30

Understanding Electrochemical Migration Behavior in Fe2O3-En...

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30th IEEE International Symposium for Design and Technology in Electronic Packaging, SIITME 2024

作者： Gharaibeh, Ali Dayoub, Ali Medgyes, Balint Budapest University of Technology and Economics Faculty of Electrical Engineering and Informatics Department of Electronics Technology Budapest Hungary

ISBN: (纸本)9798331539511

The effect of ferric oxide (Fe2/ O3) nanoparticle incorporation on the reliability of SAC305 solder alloy, in terms of electrochemical migration (ECM) behavior, was studied using water drop (WD) tests performed in a 0.1 M Na_{2 SO_{4 solution with a 10 VDC. The incorporation of Fe2O3 nanoparticles at different weight percentages (\mathbf{0. 1% and 0.25%) into SAC305, referred to as nanocomposite SAC305-x (0.1,0.25 wt.% Fe2O3), resulted in a significant shorter mean time to failure (MTTF) compared to pure SAC305. This result indicates that the SAC305 alloy with incorporated Fe2O3 nanoparticles exhibits lower ECM resistance than undoped SAC305. A comprehensive surface analysis was conducted on the dendrites formed during the WD test for nanocomposite solders in various solutions, including 0.1 M Na_{2 SO_{4, 10 mM HO2, 10 mM HCl, and 10 mM HNO3. In all cases, the dendrite morphology predominantly displayed straight, perpendicular branching, resembling a fishbone-like structure. Elemental composition analysis consistently identified Sn as the dominant element in the dendrites, indicating that the ECM behavior of the nanocomposite solders is still primarily governed by the dissolution of Sn. © 2024 IEEE.

关键词： Lead alloys

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Interactive Web-Based Interpreter of the λ-Calculus 21

Interactive Web-Based Interpreter of the λ-Calculus

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21st IEEE International Symposium on Intelligent Systems and informatics, SISY 2023

作者： Ferenczova, Andrea Perhac, Jan Technical University of Kosice Faculty of Electrical Engineering and Informatics Department of Computers and Informatics Kosice Slovakia

ISBN: (纸本)9798350343366

In this paper, we present the development and evaluation of an interactive teaching tool for the visualization of term reduction of the \lambda-calculus computational model. The concept of the \lambda-calculus is taught at our University as part of the graduate course in Type Theory. The main idea behind the development of this tool is to provide students with an environment, where they can visualize reduction steps of \lambda-calculus terms, experiment, and test their knowledge in an interactive way, which could help them with a better understanding of the subject. Our tool is developed in the form of a responsive web application, that makes it more accessible for a larger range of users, and across different types of devices. © 2023 IEEE.

关键词： Differentiation (calculus)

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Deep Data Analysis Methods Applied for Hard Switching in Hybrid FSO/RF Systems 22

Deep Data Analysis Methods Applied for Hard Switching in Hyb...

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22nd International Conference on Emerging eLearning Technologies and Applications, ICETA 2024

作者： Liščinská, Zuzana Ovseník, Ľuboš Oravec, Jakub Technical University Faculty of Electrical Engineering and Informatics Department of Electronics and Multimedia Telecommunications Košice Slovakia

ISBN: (纸本)9798331527716

The scientific study explores the application of machine learning for predicting the RSSI (Received Signal Strength Indicator) parameter in the context of hybrid communication systems that combine optical and radio transmission technologies. The aim of the study is to analyze the impact of various input data sets on the accuracy of RSSI prediction, utilizing algorithm such as decision trees. The study examines how factors like atmospheric conditions affect RSSI values and the level of accuracy that can be achieved in prediction. The implementation of algorithm is carried out in the PyCharm environment, with a focus on efficient processing of input data. The results suggest that machine learning can significantly contribute to the optimization of hybrid communication systems, thereby improving data transmission quality. © 2024 IEEE.

关键词： Space optics

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