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An X Language-Driven Framework for Systematic Development of Digital Twin Healthcare Systems

ACM Transactions on Multimedia computing, Communications, and Applications 1000年

作者： Kunyu Xie Lin Zhang Yuan Yang Xiaohe Li Ridha Khedri Zhen Chen M. Jamal Deen Simulation Technology Innovation Center Hangzhou International Innovation Institute of Beihang University Hangzhou 311115 Zhejiang China School of Automation Science and Electrical Engineering Beihang University Beijing 100191 China State Key Laboratory of Intelligent Manufacturing Systems Technology Beijing 100191 China School of Automation Science and Electrical Engineering Beihang University Beijing 100191 China Shenzhen Third People’s Hospital & Second Hospital Affiliated to Southern University of Science and Technology Shenzhen 518112 Guangdong China Dept. of Computing and Software McMaster University Hamilton Ontario Canada L8S 4K1 Department of Electrical and Computer Engineering McMaster University Hamilton ON L8S 4L8 Canada

The rapid advancements in big data and the Internet of Things (IoT) have significantly accelerated the digital transformation of medical institutions, leading to the widespread adoption of Digital Twin Healthcare (DTH). The Cloud DTH Platform (CDTH) serves as a cloud-based framework that integrates DTH models, healthcare resources, patient data, and medical services. By leveraging real-time data from medical devices, the CDTH platform enables intelligent healthcare services such as disease prediction and medical resource optimization. However, the platform functions as a system of systems (SoS), comprising interconnected yet independent healthcare services. This complexity is further compounded by the integration of both black-box AI models and domain-specific mechanistic models, which pose challenges in ensuring the interpretability and trustworthiness of DTH models. To address these challenges, we propose a Model-Based Systems engineering (MBSE)-driven DTH modeling methodology derived from systematic requirement and functional analyses. To implement this methodology effectively, we introduce a DTH model development approach using the X language, along with a comprehensive toolchain designed to streamline the development process. Together, this methodology and toolchain form a robust framework that enables engineers to efficiently develop interpretable and trustworthy DTH models for the CDTH platform. By integrating domain-specific mechanistic models with AI algorithms, the framework enhances model transparency and reliability. Finally, we validate our approach through a case study involving elderly patient care, demonstrating its effectiveness in supporting the development of DTH models that meet healthcare and interpretability requirements.

关键词： Digital Twin Model-based system engineering X Language Medical Cyber-Physical Systems Digital Twin Healthcare Design

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Secure Collaborative Learning for Self-Adaptive Systems on Connected Autonomous Vehicles

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ACM Transactions on Autonomous and Adaptive Systems 1000年

作者： Xiaotong Wu Yuwen Liu Xiaoxiao Chi Rong Jiang Xiaokang Zhou Wajid Rafique Maqbool Khan Alibaba Business School Hangzhou Normal University China College of Computer Science and Technology China University of Petroleum (East China) China Department of Computing Macquarie University Australia Yunnan Key Laboratory of Service Computing Yunnan University of Finance and Economics China Faculty of Business Data Science Kansai University Japan and RIKEN Center for Advanced Intelligence Project Japan Department of Electrical and Software Engineering University of Calgary Canada Software Competence Center Hagenberg Austria

As an advanced carrier of on-board sensors, connected autonomous vehicle (CAV) can be viewed as an aggregation of self-adaptive systems with monitor-analyze-plan-execute (MAPE) for vehicle-related services. Meanwhile, machine learning (ML) has been applied to enhance analysis and plan functions of MAPE so that self-adaptive systems have optimal adaption to changing conditions. However, most of ML-based approaches don’t utilize CAVs’ connectivity to collaboratively generate an optimal learner for MAPE, because of sensor data threatened by gradient leakage attack (GLA). In this article, we first design an intelligent architecture for MAPE-based self-adaptive systems on Web 3.0-based CAVs, in which a collaborative machine learner supports the capabilities of managing systems. Then, we observe by practical experiments that importance sampling of sparse vector technique (SVT) approaches cannot defend GLA well. Next, we propose a fine-grained SVT approach to secure the learner in MAPE-based self-adaptive systems, that uses layer and gradient sampling to select uniform and important gradients. At last, extensive experiments show that our private learner spends a slight utility cost for MAPE (e.g., \(0.77\%\) decrease in accuracy) defending GLA and outperforms the typical SVT approaches in terms of defense (increased by \(10\%\sim 14\%\) attack success rate) and utility (decreased by \(1.29\%\) accuracy loss).

关键词： collaborative learning optimal adaption vehicle application data security self-adaptive system

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Trust, Reputation, and Security: Theories and Practice 1

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丛书名： Lecture Notes in computer science

1000年

作者： Rino Falcone Suzanne Barber Larry Korba Munindar Singh

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Advances in Cellular Automata 1

Advances in Cellular Automata

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丛书名： Emergence, Complexity and Computation

1000年

作者： Andrew Adamatzky Georgios Ch. Sirakoulis Genaro J. Martinez

ISBN: (数字)9783031787577

ISBN: (纸本)9783031787560;9783031787591

This book embarks on a journey through the captivating universe of cellular automata and discover its distinct realm, characterised by discrete time, space, and states, where cells form regular patterns and offer insights into complex systems across various domains. From theoretical foundations to practical applications, each chapter unveils innovative ideas and implementations, from solving initial value problems to exploring reversible computing and real-time pattern generation. Explore hyperbolic spaces, analyse elementary automata, and delve into network growth dynamics. Shedding light on synchronisation, control, and computational structures, this book is an invaluable resource for computer scientists, modellers, mathematicians, engineers, physicists, and professionals across disciplines. Immerse yourself in the intricate complexities and boundless potential of cellular automata, whether unravelling pedestrian dynamics or exploring cryptographic applications.

关键词： Computational Intelligence Artificial Intelligence

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Autonomic and Trusted computing 1

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丛书名： Lecture Notes in computer science

1000年

作者： Jose M. Alcaraz Calero Laurence T. Yang Félix Gómez Mármol Luis Javier García Villalba Andy Xiaolin Li Yan Wang

ISBN: (数字)9783642234965

ISBN: (纸本)9783642234958

This book constitutes the refereed proceedings of the 8th International Conference on Autonomic and Trusted computing, ATC 2011, held in Banff, Canada, September 2011.;The 17 revised full papers presented together with 1 keynote speech were carefully reviewed and selected from numerous submissions. The papers address all current issues in autonomic architectures, models and systems, autonomic communications, trusted and secure computing, reliable, secure and trust applications.

关键词： Systems and Data Security Software engineering computer Communication Networks Cryptology Information Systems Applications (incl. Internet) Management of computing and Information Systems

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A self-consistent SDD-NEGF approach for modelling magnetic tunnel junctions

A self-consistent SDD-NEGF approach for modelling magnetic t...

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作者： Siu, Z.B. Jalil, M.B.A. Tan, S.G. Wang, J.-S. Department of Physics Center for Computational Science and Engineering National University of Singapore 117542 Singapore Singapore Data Storage Institute Agency for Science Technology and Research (A STAR) 117608 Singapore Singapore Information Storage Materials Laboratory Electrical and Computer Engineering Department National University of Singapore 117576 Singapore Singapore Computational Nanoelectronics and Nano-device Laboratory Electrical and Computer Engineering Department National University of Singapore 117576 Singapore Singapore Institute of High Performance Computing Agency for Science Technology and Research (A STAR) 138632 Singapore Singapore

Most contemporary work on magnetic tunnel junctions either consider ballistic quantum transport across the tunneling barrer, for instance via the Non Equilibrium Green's Function (NEGF) formalism, or treat the tunneling region as a lump resistance connected to bulk metallic leads in the Spin Drift-Diffusion (SDD) approach. The effects of interfacial barriers and central device physics on the spin accumlation in the leads have largely been ignored in most NEGF calculations. In this work we introduce a self consistent approach that combines the NEGF and SDD methods. We calculate the effects of the barrier potential height and spin orbit interaction on the spin injection from a ferromagnet to a semiconductor through the barrier. © 2006 IEEE.

关键词： Tunnel junctions

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Analysis of Verbal and Nonverbal Communication and Enactment. The Processing Issues 1

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丛书名： Lecture Notes in computer science

1000年

作者： Anna Esposito Alessandro Vinciarelli Klára Vicsi Catherine Pelachaud Anton Nijholt

ISBN: (数字)9783642257759

ISBN: (纸本)9783642257742

This volume brings together the advanced research results obtained by the European COST Action 2102 "Cross Modal Analysis of Verbal and Nonverbal Communication", primarily discussed at the PINK SSPnet-COST2102 International Conference on Analysis of Verbal and Nonverbal Communication and Enactment: The Processing Issues, held in Budapest, Hungary, in September 2010. The 40 papers presented were carefully reviewed and selected for inclusion in the book. The volume is arranged into two scientific sections. The first section, Multimodal Signals: Analysis, Processing and Computational Issues, deals with conjectural and processing issues of defining models, algorithms, and heuristic strategies for data analysis, coordination of the data flow and optimal encoding of multi-channel verbal and nonverbal features. The second section, Verbal and Nonverbal Social Signals, presents original studies that provide theoretical and practical solutions to the modelling of timing synchronization between linguistic and paralinguistic expressions, actions, body movements, activities in human interaction and on their assistance for an effective human-machine interactions.

关键词： Information Systems Applications (incl. Internet) User Interfaces and Human computer Interaction Multimedia Information Systems Image Processing and computer Vision Artificial Intelligence Computational Linguistics

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Automatic Differentiation: Applications, Theory, and Implementations 1

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丛书名： Lecture Notes in Computational science and engineering

1000年

作者： Martin Bücker George Corliss Uwe Naumann Paul Hovland Boyana Norris

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Advances in Cellular Automata 1

Advances in Cellular Automata

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丛书名： Emergence, Complexity and Computation

1000年

作者： Andrew Adamatzky Georgios Ch. Sirakoulis Genaro J. Martinez

ISBN: (数字)9783031810978

ISBN: (纸本)9783031810961;9783031810992

关键词： Computational Intelligence Artificial Intelligence

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The Personal Web 1

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丛书名： Lecture Notes in computer science

1000年

作者： Mark Chignell James R. Cordy Ryan Kealey Joanna Ng Yelena Yesha

ISBN: (数字)9783642399954

ISBN: (纸本)9783642399947

This book grew out of the First Symposium on the Personal Web, co-located with CASCON 2010 in Markham, Ontario, Canada. The purpose of the symposium was to bring together prominent researchers and practitioners from a diverse range of research areas relevant to the advancement of science and practice relating to the Personal Web. Research on the Personal Web is an outgrowth of the Smart Internet initiative, which seeks to extend and transform the web to be centred on the user, with the web as a calm platform ubiquitously providing cognitive support to its user and his or her tasks. As with the preceding SITCON workshop (held at CASCON 2009), this symposium involved a multi-disciplinary effort that brought together researchers and practitioners in data integration; web services modelling and architecture; human-computer interaction; predictive analytics; cloud infrastructure; semantics and ontology; and industrial application domains such as health care and finance. The discussions during the symposium dealt with different aspects of the architecture and functionality needed to make the Personal Web a reality. After the symposium the authors reworked their presentations into draft chapters that were submitted for peer evaluation and review. Every chapter went through two rounds of reviewing by at least two independent expert reviewers, and accepted chapters were then revised and are presented in this book.

关键词： Information Systems Applications (incl. Internet) Artificial Intelligence Software engineering Information Storage and Retrieval User Interfaces and Human computer Interaction

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