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49 produkter
49 produkter
Inbunden, Engelska, 2001
561 kr
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Today's distributed systems are characterized by interactions, often complex, between many different hardware/software components cooperating and exchanging information. To reduce the complexity of the development of interactive systems, experts employ descriptions, or specifications, of a given system's behavior and/or structure. This book provides a mathematical and logical foundation for the specification and development of interactive systems based on a model that describes systems in terms of their input/output behavior. Based on the model, the authors build a basic method, called FOCUS, that enables interactive systems to be described by characterizing their histories of message interaction. The book progresses from an introduction and guided tour of FOCUS through streams, specifications and their properties, and behavioral, interface, and conditional refinements.
Inbunden, Engelska, 2005
2 223 kr
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Software engineering has over the years been applied in many different fields, ranging from telecommunications to embedded systems in car and aircraft industry as well as in production engineering and computer networks. Foundations in software technology lie in models allowing to capture application domains, detailed requirements, but also to understand the structure and working of software systems like software architectures and programs. These models have to be expressed in techniques based on discrete mathematics, algebra and logics. However, according to the very specific needs in applications of software technology, formal methods have to serve the needs and the quality of advanced software engineering methods, especially taking into account security aspects in Information Technology. This book presents mathematical foundations of software engineering and state-of-the-art engineering methods in their theoretical substance in the step towards practical applications to examine software engineering techniques and foundations used for industrial tasks.The contributions in this volume emerged from lectures of the 25th International Summer School on Engineering Theories of Software Intensive Systems, held at Marktoberdorf, Germany from August 3 to August 15, 2004.
2 223 kr
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Software engineering has over the years been applied in many different fields, ranging from telecommunications to embedded systems in car and aircraft industry as well as in production engineering and computer networks. Foundations in software technology lie in models allowing to capture application domains, detailed requirements, but also to understand the structure and working of software systems like software architectures and programs. These models have to be expressed in techniques based on discrete mathematics, algebra and logics. However, according to the very specific needs in applications of software technology, formal methods have to serve the needs and the quality of advanced software engineering methods, especially taking into account security aspects in Information Technology. This book presents mathematical foundations of software engineering and state-of-the-art engineering methods in their theoretical substance in the step towards practical applications to examine software engineering techniques and foundations used for industrial tasks.The contributions in this volume emerged from lectures of the 25th International Summer School on Engineering Theories of Software Intensive Systems, held at Marktoberdorf, Germany from August 3 to August 15, 2004.
Häftad, Engelska, 2012
561 kr
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This book presents a fundamental mathematical and logical approach to soft ware and systems engineering. Considering the large number of books de scribing mathematical approaches to program development, it is important to explain what we consider to be the specific contribution of our book, to identify our goals, and to characterize our intended target audience. Most books dealing with the mathematics and logics of programming and system development are mainly devoted to programming in the small. This is in contrast to our book where the emphasis is on modular system development with the help of component specifications with precisely identified interfaces and refinement concepts. Our book aims at systems development carried out in a systematic way, based on a clear mathematical theory. We do not claim that this book presents a full-blown engineering method. In fact, this is certainly not a book for the application-driven software engi neer looking for a practical method for system development in an industrial context. It is much rather a book for the computer scientist and the scientifi cally interested engineer who looks for basic principles of system development and, moreover, its mathematical foundations. It is also a book for method builders interested in a proper mathematical foundation on which they can build a practical development method and industrial-strength support tools.
Inbunden, Engelska, 2020
545 kr
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This Open Access book presents the results of the "Collaborative Embedded Systems" (CrESt) project, aimed at adapting and complementing the methodology underlying modeling techniques developed to cope with the challenges of the dynamic structures of collaborative embedded systems (CESs) based on the SPES development methodology.In order to manage the high complexity of the individual systems and the dynamically formed interaction structures at runtime, advanced and powerful development methods are required that extend the current state of the art in the development of embedded systems and cyber-physical systems. The methodological contributions of the project support the effective and efficient development of CESs in dynamic and uncertain contexts, with special emphasis on the reliability and variability of individual systems and the creation of networks of such systems at runtime.The project was funded by the German Federal Ministry of Education and Research (BMBF), and the case studies are therefore selected from areas that are highly relevant for Germany’s economy (automotive, industrial production, power generation, and robotics). It also supports the digitalization of complex and transformable industrial plants in the context of the German government's "Industry 4.0" initiative, and the project results provide a solid foundation for implementing the German government's high-tech strategy "Innovations for Germany" in the coming years.
Häftad, Engelska, 2021
437 kr
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Inbunden, Engelska, 2022
2 001 kr
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Despite the popularity of design thinking in research and practice, this area is still too often treated in isolation without a clear, consistent connection to the world of software development.The book presents design thinking approaches and experiences that can facilitate the development of software-intensive products and services.
Häftad, Engelska, 2023
2 001 kr
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Despite the popularity of design thinking in research and practice, this area is still too often treated in isolation without a clear, consistent connection to the world of software development.The book presents design thinking approaches and experiences that can facilitate the development of software-intensive products and services.
Inbunden, Engelska, 2016
814 kr
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This book provides a comprehensive introduction into the SPES XT modeling framework. Moreover, it shows the applicability of the framework for the development of embedded systems in different industry domains and reports on the lessons learned. It also describes how the SPES XT modeling framework can be tailored to meet domain and project-specific needs.The book is structured into four parts: Part I “Starting Situation” discusses the status quo of the development of embedded systems with specific focus on model-based engineering and summarizes key challenges emerging from industrial practice.Part II “Modeling Theory” introduces the SPES XT modeling framework and explains the core underlying principles. Part III “Application of the SPES XT Framework” describes the application of the SPES XT modeling framework and how it addresses major industrial challenges. Part IV “Evaluation and Technology Transfer” assess the impact of the SPES XT modeling framework and includes various exemplary applications from automation, automotive, and avionics. Overall, the SPES XT modeling framework offers a seamless model-based engineering approach. It addresses core challenges faced during the engineering of embedded systems. Among others, it offers aligned and integrated techniques for the early validation of engineering artefacts (including requirements and functional and technical designs), the management of product variants and their variability, modular safety assurance and deployment of embedded software.
Häftad, Engelska, 2018
545 kr
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This book provides a comprehensive introduction into the SPES XT modeling framework. Moreover, it shows the applicability of the framework for the development of embedded systems in different industry domains and reports on the lessons learned. It also describes how the SPES XT modeling framework can be tailored to meet domain and project-specific needs.The book is structured into four parts: Part I “Starting Situation” discusses the status quo of the development of embedded systems with specific focus on model-based engineering and summarizes key challenges emerging from industrial practice.Part II “Modeling Theory” introduces the SPES XT modeling framework and explains the core underlying principles. Part III “Application of the SPES XT Framework” describes the application of the SPES XT modeling framework and how it addresses major industrial challenges. Part IV “Evaluation and Technology Transfer” assess the impact of the SPES XT modeling framework and includes various exemplary applications from automation, automotive, and avionics. Overall, the SPES XT modeling framework offers a seamless model-based engineering approach. It addresses core challenges faced during the engineering of embedded systems. Among others, it offers aligned and integrated techniques for the early validation of engineering artefacts (including requirements and functional and technical designs), the management of product variants and their variability, modular safety assurance and deployment of embedded software.
Häftad, Engelska, 1986
1 115 kr
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In a time of multiprocessor machines, message switching networks and process control programming tasks, the foundations of programming distributed systems are among the central challenges for computing sci enti sts. The foundati ons of di stributed programming compri se all the fasci nating questions of computing science: the development of adequate com putational , conceptual and semantic model s for distributed systems, specification methods, verification techniques, transformation rules, the development of suitable representations by programming languages, evaluation and execution of programs describing distributed systems. Being the 7th in a series of ASI Summer Schools at Marktoberdorf, these lectures concentrated on distributed systems. Already during the previous Summer School s at Marktoberdorf aspects of di stributed systems were important periodical topics. The rising interest in distributed systems, their design and implementation led to a considerable amount of research in this area. This is impressively demonstrated by the broad spectrum of the topics of the papers in this vol ume, although they are far from being comprehensive for the work done in the area of distributed systems. Distributed systems are extraordinarily complex and allow many distinct viewpoints. Therefore the literature on distributed systems sometimes may look rather confusing to people not working in the field. Nevertheless there is no reason for resignation: the Summer School was able to show considerable convergence in ideas, approaches and concepts for distributed systems.
Häftad, Engelska, 2004
561 kr
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Thevolumecomprises?nalversionsofthepaperspresentedatthe5thInternat- nal Andrei Ershov Memorial Conference "Perspectives of System Informatics," Akademgorodok (Novosibirsk, Russia), July 9-12, 2003. The main goal of the conference was to give an overview of research directions that are decisive for growth in the major areas of research activities in system informatics. The conference was held to honor the 70th anniversary of Ershov's closest colleague, the late Prof. Igor Pottosin (1933-2001), and his outstanding cont- bution towards advancing informatics. The ?rst four Andrei Ershov conferences were held in May 1991, June 1996, July 1999, and July 2001, and they proved to be signi?cant international events. Andrei Ershov was one of the early Russian pioneers in the ?eld of theo- tical and systems programming, a founder of the Siberian School of Computer Science. His closest colleague, Igor Pottosin, worked for the Siberian Branch of the Russian Academy of Sciences from 1958, step by step ?lling positions from junior researcher to director of the A.P. Ershov Institute of Informatics - stems.In later years he headed the Laboratory of Systems Programming in this institute and the Department of Programming at Novosibirsk State University.
Häftad, Engelska, 2005
561 kr
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Testing is the primary hardware and software verification technique used by industry today. Usually, it is ad hoc, error prone, and very expensive. In recent years, however, many attempts have been made to develop more sophisticated formal testing methods. This coherent book provides an in-depth assessment of this emerging field, focusing on formal testing of reactive systems.This book is based on a seminar held in Dagstuhl Castle, Germany, in January 2004. It presents 19 carefully reviewed and revised lectures given at the seminar in a well-balanced way ensuring competent complementary coverage of all relevant aspects. An appendix provides a glossary for model-based testing and basics on finite state machines and on labelled transition systems. The lectures are presented in topical sections on testing of finite state machines, testing of labelled transition systems, model-based test case generation, tools and case studies, standardized test notation and execution architectures, and beyond testing.
Häftad, Engelska, 2006
545 kr
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Software development for the automotive domain is currently subject to a silent revolution. On the one hand, software has become the enabling technology for almost all safety-critical and comfort functions o?ered to the customer. A total of 90 % of all innovations in automotive systems are directly or indirectly - abled by software. Today’s luxury cars contain up to 80 electronic control units (ECUs) and 5 di?erent, inter-connectednetworkplatforms, overwhich some700 software-enabled functions are distributed. On the other hand, the complexity induced by this largenumber of functions, their interactions, and their supporting infrastructure has started to becomethe limiting factor for automotive software development. Adequate management of this complexity is particularly important; the following list highlights three of the corresponding challenges: First, the dependencies between safety-critical and comfort functions are rapidly increasing;a simple example is the interplay of airbag controland power seat control in the case of an accident. Careful analysis and design of these dependencies are necessary to yield correct software solutions. Second, advances in wired and wireless networking infrastructures enable - terconnection between cars and backend service providers (e.g., to call for help in cases of emergency), between cars and devices brought into the car by drivers and passengers (such as cell phones, PDAs, and laptops), and even among cars. This dramatically shifts the focus from the development of individual software solutionsresidingondedicatedECUstotheirdistributionandinteractionwithin and beyond car boundaries.
601 kr
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Der vorliegende Übungsband enthält Aufgaben zu einer viersemestrigen Vorlesung "Einführung in die Informatik". Er ist eng abgestimmt auf die zweibändige Informatik-Einführung von M. Broy - das Gelernte kann so von der Theorie in die Praxis umgesetzt werden. Neben Aufgaben, die alle wichtigen Themengebiete der Einführung abdecken, werden vertiefende und weiterführende Aufgaben angeboten. Darüber hinaus umfaßt das Buch Programmieraufgaben in den funktionalen bzw. objektorientierten Sprachen Gofer und Java sowie der Assemblersprache MI, ergänzt durch kurze Einführungen in diese modernen Programmiersprachen.
Häftad, Engelska, 2001
561 kr
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This book constitutes the thoroughly refereed post-proceedings of the 4th International Andrei Ershov Memorial Conference, PSI 2001, held in Akademgorodok, Novosibirsk, Russia, in July 2001.The 50 revised papers presented together with 2 invited memorial papers devoted to the work of Andrei Ershov were carefully selected during 2 rounds of reviewing and improvement. The book offers topical sections on computing and algorithms, logical methods, verification, program transformation and synthesis, semantics and types, processes and concurrency, UML specification, Petri nets, testing, software construction, data and knowledge bases, logic programming, constraint programming, program analysis, and language implementation.
Inbunden, Tyska, 2003
421 kr
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Häftad, Engelska, 1991
561 kr
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The systematic development of software systems is a centraltask of computing science. A software system is the resultof putting together knowledge about the application, therequirements and the structures of computing science. Under the heading CIP (Computer-aided Intuition-guidedProgramming), a group of researchers led by Prof. F.L. Bauerand Prof. K. Samelson started work in 1975 in the directionof formal program specification, transformationalprogramming, and tool supportfor program development. The collection of papers in this volume presents examples ofa formal approach to programming language concepts andprogram development based on algebraic specifications andprogram transformations. Examples are also presented ofevolutions and modificationsof the original ideas of theCIP project. The topics range from descriptionsof theprogram development process to derivations of algorithmsfrom specifications. The volume is dedicated to Prof F.L. Bauer.
Häftad, Tyska, 1992
524 kr
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Die Informatik hat sich zu einer wissenschaftlichen Disziplin entwickelt, die in vielfältiger Weise Methoden und Techniken für die Modellierung, Darstellung und Implementierung informationsverarbeitender Systeme bereitstellt. Diese grundlegende Einführung in die Informatik behandelt die fundamentalen Modelle, Formalismen und sprachlichen Konstruktionen sowie die wichtigsten Anwendungsgebiete und technischen Konzeptionen der Informatik. Dabei wird auf eine saubere, formale Fundierung und begriffliche Klarheit Wert gelegt.In diesem ersten von vier Bänden wird das gesamte Gebiet der problemnahen Programmierung dargestellt: Algorithmenbegriff, Techniken der funktionalen und der prozeduralen Programmierung, Datenstrukturen und ihre Darstellung in Programmiersprachen sowie Programmiermethodik.
Inbunden, Engelska, 1993
2 223 kr
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The development of information processing systems requiresmodels, calculi, and theories for the analysis ofcomputations. Complex software systems are best constructedin a careful, systematic, and disciplined structuring of thedevelopment process. Starting from basic requirementspecifications in which all the relevant details areformalized, the envisaged solution should be developed stepby step by adding more and more details and giving evidenceor formal proofs to show the correctness of the steps, untila description of a solution is obtained that has all therequired properties. The Marktoberdorf Advanced Study Institute 1992 presentedscientific highlights in approaches to the systematic studyofreliable software and hardware systems using functional, algebraic, and logical calculi. Leading scientists treatedthe specification, development, verification, andimplementation of complex time-sensitive systems, such assignal processing systems, process control systems, andgeneral software systems. The mathematical foundations ofspecification and refinement were carefully treated, andseveral formalisms for describing processes were introduced.Emphasis was put on application-oriented descriptionsof signal processing systems with real-time dependencies. Formalisms for reasoning about distributed causality-basedcomputations were presented and new styles of programmingleading to shorter and more expressive notations weredemonstrated. This book is based on the Institute, and gives an impressivedemonstration of the state of the art and the essentialprogress in our formal abilities to specify, refine, verify, develop, and implement complex software systems includingembedded systems and hard real-time dependent systems.
Häftad, Engelska, 1993
561 kr
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This volume comprises the papers selected for presentationat the international conference on Formal Methods inProgramming and Their Applications, held in Academgorodok,Novosibirsk, Russia, June-July 1993. The conference wasorganized by the Institute of Informatics Systems of theSiberian Division of the Russian Academy of Sciences and wasthe first forum organized by the Institute which wasentirely dedicated to formal methods. The main scientific tracks of the conference were centeredaround formal methods of program development and programconstruction. The papers in the book are grouped intothe following parts:- formal semantics methods- algebraic specification methods- semantic program analysis and abstract interpretation- semantics of parallelism- logic of programs- software specification and verification- transformational development and program synthesis.
Häftad, Tyska, 1994
524 kr
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Dieser dritte Teil der vierteiligen Einführung in die Informatik behandelt verteilte informationsverarbeitende Systeme und systemnahe Programmierung. Nach den Grundbegriffen verteilter Systeme und den zugrundeliegenden mathematischen Modellen werden elementare Beschreibungstechniken für Systeme, z.B. Petri-Netze und die Hoare'sche Notation für kommunizierende, sequentielle Programme, vorgestellt sowie die Programmierung parallel ablaufender Programme. Weiter werden typische Aspekte der systemnahen Programmierung wie Aufbau und Wirkungsweise von Betriebssystemen besprochen sowie die syntaktischen und semantischen Aspekte der Implementierung von Programmiersprachen. Dabei werden für eine einfache funktionale Sprache beispielhaft ein Übersetzer und ein Interpretierer angegeben.
Häftad, Engelska, 1995
561 kr
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This book constitutes the final report of the work carried out in the project KORSO ("Korrekte Software") funded by the German Federal Ministry for Research and Technology. KORSO is an evolutionary, prototype-oriented project aimed at improving the theoretical foundations of quality-driven software engineering and at implementing known techniques for applications of practical relevance.The 21 strictly refereed papers presented are organized in five sections on methods for correctness, languages, development systems and logical frameworks, tools, and case studies. In addition, the preface and introductory paper give valuable background information and a concise state-of-the-art overview.
Inbunden, Engelska, 1996
2 223 kr
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Deductive program design aims at methods that guide and support the development of programs by techniques of deduction. Deduction is a well-known subject of study in logical theories. However, the application of deductive techniques in program design needs methods, heuristics, and understanding of the required forms and formats of the development result that go far beyond those found in logical theories. The summer school presents a very broad spectrum of approaches to these issues. Edsger W. Dijkstra gives a number of beautiful examples that show how to design proofs. Samson Abramsky, Simon Gay, and Rajagopal Nagarajan contribute a fundamental study founding concurrent programming on interaction categories and foundations of type theory. Tony Hoare presents unifying views on mathematical models for computing science. Unifying theories are especially important if the whole development process of programs is to be supported by deductive techniques. The rest of the contributions address applications of deductive program design methods. They are directed to different areas of application; for example Richard Bird's and Oege de Moor's algebra of programming is mainly intended for classical functional programming, and the contribution on data refinement and their transformation by David Gries considers sequential procedural programs.
Häftad, Engelska, 1996
561 kr
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The RPC-memory specification problem was proposed by Broy and Lamport as a case study in the formal design of distributed and concurrent systems. As a realistic example typical for operating systems and hardware design, the RPC-memory problem was used as the basis for comparing various approaches to formal specification, refinement, and verification.Preliminary solutions were discussed during a workshop at Schloss Dagstuhl, Germany, in September 1994. Then an extensive discussion took place between the referees and authors. Finally 15 thoroughly revised papers were accepted for inclusion in this volume in full detail together with the problem statement and a synopsis.
Häftad, Engelska, 1996
561 kr
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This book constitutes the refereed post-conference proceedings of the Second International Andrei Ershov Memorial Conference on System Informatics, held in Akademgorodok, Novosibirsk, Russia, in June 1996.The 27 revised full papers presented together with 9 invited contributions were thoroughly refereed for inclusion in this volume. The book is divided in topical sections on programming methodology, artificial intelligence, natural language processing, machine learning, dataflow and concurrency models, parallel programming, supercompilation, partial evaluation, object-oriented programming, semantics and abstract interpretation, programming and graphical interfaces, and logic programming.
Häftad, Tyska, 1997
401 kr
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Diese Einführung in die Informatik behandelt die fundamentalen Modelle, Formalismen und sprachlichen Konstruktionen sowie die wichtigsten Anwendungsgebiete und technischen Konzeptionen der Informatik. Die Darstellung zeichnet sich durch saubere, formale Fundierung und begriffliche Klarheit aus. Der erste Teil stellt das gesamte Gebiet der problemnahen Programmierung vor, von Algorithmenbegriffen über Techniken der funktionalen und der prozeduralen Programmierung und Datenstrukturen zur Programmiermethodik. Der zweite behandelt die technische Informationsverarbeitung, von der Binärcodierung über digitale Schaltungen und Rechnerarchitekturen bis hin zu maschinennaher Programmierung.
Häftad, Tyska, 1998
349 kr
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Diese in der Neuauflage zweibändige Einführung behandelt die fundamentalen Modelle, Formalismen und sprachlichen Konstruktionen sowie die wichtigsten Anwendungsgebiete und technischen Konzeptionen der Informatik. Die Darstellung zeichnet sich durch saubere formale Fundierung und begriffliche Klarheit aus. Der vorliegende Band 2 faßt die in der 1. Auflage getrennt erschienenen Teile III und IV zusammen. Teil III behandelt Grundbegriffe und Beschreibungstechniken für verteilte informationsverarbeitende Systeme sowie systemnahe Programmierung und Betriebssysteme. Teil IV geht auf die wesentlichen Inhalte der Theoretischen Informatik ein bis hin zur Objektorientierung und stellt mit einem abschließenden Ausblick auf Anwendungen der Informatik den Bezug zu aktuellen Fragen her.
Häftad, Engelska, 2000
1 115 kr
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This volume comprises the papers presented at the Third International Andrei Ershov Memorial Conference \Perspectives of System Informatics", Akadem- rodok (Novosibirsk, Russia), July 6{9, 1999. The main goal of the conference was to give an overview of research directions which are decisive for the growth of major areas of research activities in system informatics. The conference was the third one in the line. The r st and second inter- tionalconferences\PerspectivesofSystemInformatics"wereheldinNovosibirsk, Akademgorodok, in May, 1991, and June, 1996, respectively. Both conferences gathered a wide spectrum of specialists and were undoubtedly very successful. The third conferenceincluded many of the subjects of the second conference, such as theoretical computer science, programming methodology, new infor- tiontechnologies,andthepromising eldofarti cialintelligence|asimportant components of system informatics. The style of the second conference was p- served to a certain extent in that there were a considerable number of invited papers in addition to the contributed papers. However,posters were replaced by short talks mainly given by young researchers.
Häftad, Engelska, 2008
561 kr
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Software development for the automotive domain has become the enabling te- nologyforalmostallsafety-criticalandcomfortfunctionso?eredtothecustomer. Ninety percentofallinnovations inautomotive systems aredirectly or indirectly enabled by embedded software. The numbers of serious accidents have declined in recent years, despite constantly increasing tra?c; this is correlated with the introduction of advanced, software-enabled functionality for driver assistance, such as electronic stability control. Software contributes signi?cantly to the - tomotive value chain. By 2010 it is estimated that software will make up 40% of the value creation of automotive electrics/electronics. However, with the large number of software-enabled functions, their int- actions, and the corresponding networking and operating infrastructure, come signi?cant complexities both during the automotive systems engineering p- cess and at runtime. A central challenge for automotive systems development is the scattering of functionality across multiple subsystems, such as electronic control units (ECUs) and the associated networks. As an example, consider the central locking systems (CLS), whose functionality is spread out over up to 19 di?erent ECUs in some luxury cars. Of course, this includes advanced functi- ality, such as seat positioning and radio tuning according to driver presets upon entry, as well as unlocking in case of a detected impact or accident. However, thisexampledemonstratesthatmodernautomotivesystemsbridgecomfort-and safety-critical functionality. This induces particular demands on safety and - curity, and, in general, software and systems quality. The resulting challenges and opportunities were discussed, in depth, at the second Automotive Software Workshop San Diego (ASWSD)2006, on whose results we report here.