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Reliable Systems on Unreliable Networked Platforms

Reliable Systems on Unreliable Networked Platforms
Author: Fabrice Kordon
Publisher: Springer
Total Pages: 329
Release: 2007-06-21
Genre: Computers
ISBN: 3540711562

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This book constitutes the refereed post-proceedings of the 12th International Monterey Workshop on Networked Systems with special focus on realization of reliable systems on top of unreliable networked platforms, held in Laguna Beach, CA in September 2005. Coverage includes model-based software development of network-centric system-of-systems, foundations of future design and programming abstractions, and intelligent and robust middleware.


Reliable Systems on Unreliable Networked Platforms

Reliable Systems on Unreliable Networked Platforms
Author: Fabrice Kordon
Publisher: Springer
Total Pages: 320
Release: 2007-02-28
Genre: Computers
ISBN: 9783540711551

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This book constitutes the refereed post-proceedings of the 12th International Monterey Workshop on Networked Systems with special focus on realization of reliable systems on top of unreliable networked platforms, held in Laguna Beach, CA in September 2005. Coverage includes model-based software development of network-centric system-of-systems, foundations of future design and programming abstractions, and intelligent and robust middleware.


Foundations of Computer Software

Foundations of Computer Software
Author: Radu Calinescu
Publisher: Springer
Total Pages: 249
Release: 2011-05-27
Genre: Computers
ISBN: 3642212921

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This book presents the thoroughly refereed and revised post-workshop proceedings of the 16th Monterey Workshop, held in Redmond, WA, USA, in March/April 2010. The theme of the workshop was Foundations of Computer Software, with a special focus on Modeling, Development, and Verification of Adaptive Systems. The 13 revised full papers presented were carefully reviewed and selected from numerous submissions for inclusion in the book. The contributions show how the foundations and development techniques of computer software could be adapted even for industrial safety-critical and business-critical applications to improve dependability and robustness and to ensure information privacy and security.


Encyclopedia of Information Science and Technology, Third Edition

Encyclopedia of Information Science and Technology, Third Edition
Author: Khosrow-Pour, Mehdi
Publisher: IGI Global
Total Pages: 7972
Release: 2014-07-31
Genre: Computers
ISBN: 1466658894

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"This 10-volume compilation of authoritative, research-based articles contributed by thousands of researchers and experts from all over the world emphasized modern issues and the presentation of potential opportunities, prospective solutions, and future directions in the field of information science and technology"--Provided by publisher.


Foundations of Computer Software: Future Trends and Techniques for Development

Foundations of Computer Software: Future Trends and Techniques for Development
Author: Christine Choppy
Publisher: Springer
Total Pages: 284
Release: 2010-04-14
Genre: Computers
ISBN: 3642125662

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This book presents the thoroughly refereed and revised proceedings of the 15th Monterey Workshop, held in Budapest, Hungary, September 24-26, 2008. The theme of the workshop was Foundations of Computer Software, Future Trends and Techniques for Development. The 13 revised full papers presented at the workshop explore, how the foundations and development techniques of computer software could be adapted to address such a challenge. Material presented in the papers spans the whole software life cycle, starting from specification and analysis, design and the choice of architectures, large scale, real-world software development, code generation and configuration, deployment, and evolution.


Modeling collaborations in self-adaptive systems of systems

Modeling collaborations in self-adaptive systems of systems
Author: Wätzoldt, Sebastian
Publisher: Universitätsverlag Potsdam
Total Pages: 78
Release: 2015-04-30
Genre: Computers
ISBN: 3869563249

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An increasing demand on functionality and flexibility leads to an integration of beforehand isolated system solutions building a so-called System of Systems (SoS). Furthermore, the overall SoS should be adaptive to react on changing requirements and environmental conditions. Due SoS are composed of different independent systems that may join or leave the overall SoS at arbitrary point in times, the SoS structure varies during the systems lifetime and the overall SoS behavior emerges from the capabilities of the contained subsystems. In such complex system ensembles new demands of understanding the interaction among subsystems, the coupling of shared system knowledge and the influence of local adaptation strategies to the overall resulting system behavior arise. In this report, we formulate research questions with the focus of modeling interactions between system parts inside a SoS. Furthermore, we define our notion of important system types and terms by retrieving the current state of the art from literature. Having a common understanding of SoS, we discuss a set of typical SoS characteristics and derive general requirements for a collaboration modeling language. Additionally, we retrieve a broad spectrum of real scenarios and frameworks from literature and discuss how these scenarios cope with different characteristics of SoS. Finally, we discuss the state of the art for existing modeling languages that cope with collaborations for different system types such as SoS.


Cyber-physical Systems with Dynamic Structure

Cyber-physical Systems with Dynamic Structure
Author: Basil Becker
Publisher: Universitätsverlag Potsdam
Total Pages: 40
Release: 2012
Genre: Computers
ISBN: 386956217X

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Cyber-physical systems achieve sophisticated system behavior exploring the tight interconnection of physical coupling present in classical engineering systems and information technology based coupling. A particular challenging case are systems where these cyber-physical systems are formed ad hoc according to the specific local topology, the available networking capabilities, and the goals and constraints of the subsystems captured by the information processing part. In this paper we present a formalism that permits to model the sketched class of cyber-physical systems. The ad hoc formation of tightly coupled subsystems of arbitrary size are specified using a UML-based graph transformation system approach. Differential equations are employed to define the resulting tightly coupled behavior. Together, both form hybrid graph transformation systems where the graph transformation rules define the discrete steps where the topology or modes may change, while the differential equations capture the continuous behavior in between such discrete changes. In addition, we demonstrate that automated analysis techniques known for timed graph transformation systems for inductive invariants can be extended to also cover the hybrid case for an expressive case of hybrid models where the formed tightly coupled subsystems are restricted to smaller local networks.


Compositional Analysis of Probabilistic Timed Graph Transformation Systems

Compositional Analysis of Probabilistic Timed Graph Transformation Systems
Author: Maria Maximova
Publisher: Universitätsverlag Potsdam
Total Pages: 60
Release: 2022-05-19
Genre: Computers
ISBN: 3869565012

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The analysis of behavioral models is of high importance for cyber-physical systems, as the systems often encompass complex behavior based on e.g. concurrent components with mutual exclusion or probabilistic failures on demand. The rule-based formalism of probabilistic timed graph transformation systems is a suitable choice when the models representing states of the system can be understood as graphs and timed and probabilistic behavior is important. However, model checking PTGTSs is limited to systems with rather small state spaces. We present an approach for the analysis of large scale systems modeled as probabilistic timed graph transformation systems by systematically decomposing their state spaces into manageable fragments. To obtain qualitative and quantitative analysis results for a large scale system, we verify that results obtained for its fragments serve as overapproximations for the corresponding results of the large scale system. Hence, our approach allows for the detection of violations of qualitative and quantitative safety properties for the large scale system under analysis. We consider a running example in which we model shuttles driving on tracks of a large scale topology and for which we verify that shuttles never collide and are unlikely to execute emergency brakes. In our evaluation, we apply an implementation of our approach to the running example.


Emergency Management

Emergency Management
Author: Burak Eksioglu
Publisher: BoD – Books on Demand
Total Pages: 106
Release: 2012-01-27
Genre: Business & Economics
ISBN: 9533079894

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After the large-scale disasters that we have witnessed in the recent past, it has become apparent that complex and coordinated emergency management systems are required for efficient and effective relief efforts. Such management systems can only be developed by involving many scientists and practitioners from multiple fields. Thus, this book on emergency management discusses various issues, such as the impact of human behavior, development of hardware and software architectures, cyber security concerns, dynamic process of guiding evacuees and routing vehicles, supply allocation, and vehicle routing problems in preparing for, and responding to large scale emergencies. The book is designed to be useful to students, researchers and engineers in all academic areas, but particularly for those in the fields of computer science, operations research, and human factor. We also hope that this book will become a useful reference for practitioners.