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Refinement Versus Verification
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Book Synopsis Service-Oriented Computing by : Samik Basu
Download or read book Service-Oriented Computing written by Samik Basu and published by Springer. This book was released on 2013-11-27 with total page 728 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the refereed proceedings of the 11th International Conference on Service-Oriented Computing, ICSOC 2012, held in Berlin, Germany, in December 2013. The 29 full papers and 27 short papers presented were carefully reviewed and selected from 205 submissions. The papers are organized in topical sections on service engineering, service operations and management; services in the cloud; and service applications and implementations.
Book Synopsis Refinement Complements Verification and Validation by :
Download or read book Refinement Complements Verification and Validation written by and published by . This book was released on 1902 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Knowledge based systems are being applied in ever increasing numbers. The development of knowledge acquisition tools has eased the "Knowledge Acquisition Bottleneck". More recently there has been a demand for mechanisms to assure the quality of knowledge based systems. Checking the contents of the knowledge base and the performance of the knowledge based systems at various stages throughout its life cycle is an important component of quality assurance. Hence, the demand now is for verification and validation tools. However, traditionally, verification and validation have identified possible faults in the knowledge base. In contrast, this paper advocates the use of knowledge refinement to correct identified faults in parallel with the ongoing verification and validation, thus easing the progress towards correct knowledge based systems. An automated refinement tool is described which uses the output from verification and validation tools to assemble evidence from which the refinement process can propose repairs. It is hoped that automated refinement in parallel with validation and verification may ease the "Knowledge V & V Bottleneck."
Book Synopsis Verification, Model Checking, and Abstract Interpretation by : Francesco Logozzo
Download or read book Verification, Model Checking, and Abstract Interpretation written by Francesco Logozzo and published by Springer. This book was released on 2008-02-29 with total page 333 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains the proceedings of VMCAI 2007. It features current research from the communities of verification, program certification, model checking, debugging techniques, abstract interpretation, abstract domains, and advancement of hybrid methods.
Book Synopsis Correct Hardware Design and Verification Methods by : Tiziana Margaria
Download or read book Correct Hardware Design and Verification Methods written by Tiziana Margaria and published by Springer. This book was released on 2003-06-30 with total page 491 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the proceedings of CHARME 2001, the Eleventh Advanced Research Working Conference on Correct Hardware Design and Veri?cation Methods. CHARME 2001 is the 11th in a series of working conferences devoted to the development and use of leading-edge formal techniques and tools for the design and veri?cation of hardware and hardware-like systems. Previous events in the ‘CHARME’ series were held in Bad Herrenalb (1999), Montreal (1997), Frankfurt (1995), Arles (1993), and Torino (1991). This series of meetings has been organized in cooperation with IFIP WG 10.5 and WG 10.2. Prior meetings, stretching backto the earliest days of formal hardware veri?cation, were held under various names in Miami (1990), Leuven (1989), Glasgow (1988), Grenoble (1986), Edinburgh (1985), and Darmstadt (1984). The convention is now well-established whereby the European CHARME conference alternates with its biennial counterpart, the International Conference on Formal Methods in Computer-Aided Design (FMCAD), which is held on even-numbered years in the USA. The conference tookplace during 4–7 September 2001 at the Institute for System Level Integration in Livingston, Scotland. It was co-hosted by the - stitute and the Department of Computing Science of Glasgow University and co-sponsored by the IFIP TC10/WG10.5 Working Group on Design and En- neering of Electronic Systems. CHARME 2001 also included a scienti?c session and social program held jointly with the 14th International Conference on Th- rem Proving in Higher Order Logics (TPHOLs), which was co-located in nearby Edinburgh.
Book Synopsis Refinement in Z and Object-Z by : John Derrick
Download or read book Refinement in Z and Object-Z written by John Derrick and published by Springer Science & Business Media. This book was released on 2013-08-30 with total page 498 pages. Available in PDF, EPUB and Kindle. Book excerpt: Refinement is one of the cornerstones of the formal approach to software engineering, and its use in various domains has led to research on new applications and generalisation. This book brings together this important research in one volume, with the addition of examples drawn from different application areas. It covers four main themes: Data refinement and its application to Z Generalisations of refinement that change the interface and atomicity of operations Refinement in Object-Z Modelling state and behaviour by combining Object-Z with CSP Refinement in Z and Object-Z: Foundations and Advanced Applications provides an invaluable overview of recent research for academic and industrial researchers, lecturers teaching formal specification and development, industrial practitioners using formal methods in their work, and postgraduate and advanced undergraduate students. This second edition is a comprehensive update to the first and includes the following new material: Early chapters have been extended to also include trace refinement, based directly on partial relations rather than through totalisation Provides an updated discussion on divergence, non-atomic refinements and approximate refinement Includes a discussion of the differing semantics of operations and outputs and how they affect the abstraction of models written using Object-Z and CSP Presents a fuller account of the relationship between relational refinement and various models of refinement in CSP Bibliographic notes at the end of each chapter have been extended with the most up to date citations and research
Book Synopsis Refinement Techniques in Software Engineering by : Ana Cavalcanti
Download or read book Refinement Techniques in Software Engineering written by Ana Cavalcanti and published by Springer. This book was released on 2006-10-11 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt: This tutorial book presents an augmented selection of the material presented at the First Pernambuco Summer School on Software Engineering, PSSE 2004, held in Receife, Brazil in November/December 2004, jointly with the Brazilian Symposium on Formal Methods (SBMF 2004). The seven tutorial lectures presented are the thoroughly revised versions of the contributions from the invited lecturers. The courses cover a wide spectrum of topics.
Book Synopsis Embedded Systems and Software Validation by : Abhik Roychoudhury
Download or read book Embedded Systems and Software Validation written by Abhik Roychoudhury and published by Morgan Kaufmann. This book was released on 2009-04-29 with total page 267 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern embedded systems require high performance, low cost and low power consumption. Such systems typically consist of a heterogeneous collection of processors, specialized memory subsystems, and partially programmable or fixed-function components. This heterogeneity, coupled with issues such as hardware/software partitioning, mapping, scheduling, etc., leads to a large number of design possibilities, making performance debugging and validation of such systems a difficult problem. Embedded systems are used to control safety critical applications such as flight control, automotive electronics and healthcare monitoring. Clearly, developing reliable software/systems for such applications is of utmost importance. This book describes a host of debugging and verification methods which can help to achieve this goal. Covers the major abstraction levels of embedded systems design, starting from software analysis and micro-architectural modeling, to modeling of resource sharing and communication at the system level Integrates formal techniques of validation for hardware/software with debugging and validation of embedded system design flows Includes practical case studies to answer the questions: does a design meet its requirements, if not, then which parts of the system are responsible for the violation, and once they are identified, then how should the design be suitably modified?
Book Synopsis Abstraction, Refinement and Proof for Probabilistic Systems by : Annabelle McIver
Download or read book Abstraction, Refinement and Proof for Probabilistic Systems written by Annabelle McIver and published by Springer Science & Business Media. This book was released on 2005 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides an integrated coverage of random/probabilistic algorithms, assertion-based program reasoning, and refinement programming models, providing a focused survey on probabilistic program semantics. This book illustrates, by examples, the typical steps necessary to build a mathematical model of any programming paradigm.
Book Synopsis Computer Aided Verification by : Daniel Kroening
Download or read book Computer Aided Verification written by Daniel Kroening and published by Springer. This book was released on 2015-07-15 with total page 690 pages. Available in PDF, EPUB and Kindle. Book excerpt: The two-volume set LNCS 9206 and LNCS 9207 constitutes the refereed proceedings of the 27th International Conference on Computer Aided Verification, CAV 2015, held in San Francisco, CA, USA, in July 2015. The total of 58 full and 11 short papers presented in the proceedings was carefully reviewed and selected from 252 submissions. The papers were organized in topical sections named: model checking and refinements; quantitative reasoning; software analysis; lightning talks; interpolation, IC3/PDR, and Invariants; SMT techniques and applications; HW verification; synthesis; termination; and concurrency.
Download or read book Refinement written by John Derrick and published by Springer. This book was released on 2018-09-03 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt: Refinement is one of the cornerstones of a formal approach to software engineering. Refinement is all about turning an abstract description (of a soft or hardware system) into something closer to implementation. It provides that essential bridge between higher level requirements and an implementation of those requirements. This book provides a comprehensive introduction to refinement for the researcher or graduate student. It introduces refinement in different semantic models, and shows how refinement is defined and used within some of the major formal methods and languages in use today. It (1) introduces the reader to different ways of looking at refinement, relating refinement to observations(2) shows how these are realised in different semantic models (3) shows how different formal methods use different models of refinement, and (4) how these models of refinement are related.
Book Synopsis Mathematics in Computing by : Gerard O’Regan
Download or read book Mathematics in Computing written by Gerard O’Regan and published by Springer Nature. This book was released on 2020-01-10 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt: This illuminating textbook provides a concise review of the core concepts in mathematics essential to computer scientists. Emphasis is placed on the practical computing applications enabled by seemingly abstract mathematical ideas, presented within their historical context. The text spans a broad selection of key topics, ranging from the use of finite field theory to correct code and the role of number theory in cryptography, to the value of graph theory when modelling networks and the importance of formal methods for safety critical systems. This fully updated new edition has been expanded with a more comprehensive treatment of algorithms, logic, automata theory, model checking, software reliability and dependability, algebra, sequences and series, and mathematical induction. Topics and features: includes numerous pedagogical features, such as chapter-opening key topics, chapter introductions and summaries, review questions, and a glossary; describes the historical contributions of such prominent figures as Leibniz, Babbage, Boole, and von Neumann; introduces the fundamental mathematical concepts of sets, relations and functions, along with the basics of number theory, algebra, algorithms, and matrices; explores arithmetic and geometric sequences and series, mathematical induction and recursion, graph theory, computability and decidability, and automata theory; reviews the core issues of coding theory, language theory, software engineering, and software reliability, as well as formal methods and model checking; covers key topics on logic, from ancient Greek contributions to modern applications in AI, and discusses the nature of mathematical proof and theorem proving; presents a short introduction to probability and statistics, complex numbers and quaternions, and calculus. This engaging and easy-to-understand book will appeal to students of computer science wishing for an overview of the mathematics used in computing, and to mathematicians curious about how their subject is applied in the field of computer science. The book will also capture the interest of the motivated general reader.
Book Synopsis Reviews, Refinements and New Ideas in Face Recognition by : Peter Corcoran
Download or read book Reviews, Refinements and New Ideas in Face Recognition written by Peter Corcoran and published by BoD – Books on Demand. This book was released on 2011-07-27 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt: As a baby one of our earliest stimuli is that of human faces. We rapidly learn to identify, characterize and eventually distinguish those who are near and dear to us. We accept face recognition later as an everyday ability. We realize the complexity of the underlying problem only when we attempt to duplicate this skill in a computer vision system. This book is arranged around a number of clustered themes covering different aspects of face recognition. The first section on Statistical Face Models and Classifiers presents reviews and refinements of some well-known statistical models. The next section presents two articles exploring the use of Infrared imaging techniques and is followed by few articles devoted to refinements of classical methods. New approaches to improve the robustness of face analysis techniques are followed by two articles dealing with real-time challenges in video sequences. A final article explores human perceptual issues of face recognition.
Book Synopsis Verification of Computer Codes in Computational Science and Engineering by : Patrick Knupp
Download or read book Verification of Computer Codes in Computational Science and Engineering written by Patrick Knupp and published by CRC Press. This book was released on 2002-10-29 with total page 161 pages. Available in PDF, EPUB and Kindle. Book excerpt: How can one be assured that computer codes that solve differential equations are correct? Standard practice using benchmark testing no longer provides full coverage because today's production codes solve more complex equations using more powerful algorithms. By verifying the order-of-accuracy of the numerical algorithm implemented in the code, one can detect most any coding mistake that would prevent correct solutions from being computed. Verification of Computer Codes in Computational Science and Engineering sets forth a powerful alternative called OVMSP: Order-Verification via the Manufactured Solution Procedure. This procedure has two primary components: using the Method of Manufactured Exact Solutions to create analytic solutions to the fully-general differential equations solved by the code and using grid convergence studies to confirm the order-of-accuracy. The authors present a step-by-step procedural guide to OVMSP implementation and demonstrate its effectiveness. Properly implemented, OVMSP offers an exciting opportunity to identify virtually all coding 'bugs' that prevent correct solution of the governing partial differential equations. Verification of Computer Codes in Computational Science and Engineering shows you how this can be done. The treatment is clear, concise, and suitable both for developers of production quality simulation software and as a reference for computational science and engineering professionals.
Book Synopsis Refined Antimony Trioxide from the People's Republic of China by : United States International Trade Commission
Download or read book Refined Antimony Trioxide from the People's Republic of China written by United States International Trade Commission and published by . This book was released on 1992 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proof-by-transduction by : Camilla Østerberg Rump
Download or read book Proof-by-transduction written by Camilla Østerberg Rump and published by . This book was released on 1995 with total page 183 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: "When designing distributed systems, one is faced with the problem of verifying a refinement between two specifications, given at different levels of abstraction. Suggested verification techniques in the literature include refinement mappings and various forms of simulation. In this thesis, we present a verification method in which refinement between two systems is proven by constructing a transducer that inputs a computation of a concrete system and outputs a matching computation of the abstract system. In this way, the verification problem is reduced to proving certain properties of the transducer. For completeness, the existing techniques include backwards simulations or prophecy variables, which require backwards reasoning. The idea of the transducer is to use a FIFO queue to hold segments of the concrete computation that have not been matched yet. This allows a finite delay between the occurrence of a concrete event and the determination of the corresponding abstract event. This delay often makes the use of prophecy variables or backward simulation unneccessary. The problem of relaxed refinement is to prove that a matching observation of the abstract system is some transformation of the observed sequences of events of the concrete system. An important generalization of our technique is to prove relaxed refinement. The technique is adapted by replacing the FIFO queue by a component that allows the appropriate transformation on sequences of events. A particular case of relaxed refinement is partial order refinement, i.e., refinement that preserves only a subset of the orderings between events of a system. Examples of this type of refinement are sequential consistency and serializability. The case of sequential consistency is illustrated on a proof of sequential consistency of a cache protocol. We show that proof- by-transduction is complete for refinement that can be shown using forward simulation or history variables and present proofs of a lossy buffer example uing backwards simulation, prophecy variables, and proof-by- transduction for comparison."
Book Synopsis Vision-based Pedestrian Protection Systems for Intelligent Vehicles by : David Gerónimo
Download or read book Vision-based Pedestrian Protection Systems for Intelligent Vehicles written by David Gerónimo and published by Springer Science & Business Media. This book was released on 2013-08-31 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pedestrian Protection Systems (PPSs) are on-board systems aimed at detecting and tracking people in the surroundings of a vehicle in order to avoid potentially dangerous situations. These systems, together with other Advanced Driver Assistance Systems (ADAS) such as lane departure warning or adaptive cruise control, are one of the most promising ways to improve traffic safety. By the use of computer vision, cameras working either in the visible or infra-red spectra have been demonstrated as a reliable sensor to perform this task. Nevertheless, the variability of human’s appearance, not only in terms of clothing and sizes but also as a result of their dynamic shape, makes pedestrians one of the most complex classes even for computer vision. Moreover, the unstructured changing and unpredictable environment in which such on-board systems must work makes detection a difficult task to be carried out with the demanded robustness. In this brief, the state of the art in PPSs is introduced through the review of the most relevant papers of the last decade. A common computational architecture is presented as a framework to organize each method according to its main contribution. More than 300 papers are referenced, most of them addressing pedestrian detection and others corresponding to the descriptors (features), pedestrian models, and learning machines used. In addition, an overview of topics such as real-time aspects, systems benchmarking and future challenges of this research area are presented.
Book Synopsis Verification, Induction, Termination Analysis by : Simon Siegler
Download or read book Verification, Induction, Termination Analysis written by Simon Siegler and published by Springer Science & Business Media. This book was released on 2010-11-16 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Festschrift volume, published in honor of Christoph Walther, contains contributions written by some of his colleagues, former students, and friends. In celebration of the 60th birthdays of Alejandro P. Buchmann, Sorin A. Huss and Christoph Walther, a colloquium was held on November 19th, 2010 in Darmstadt, Germany. The articles collected herein cover some of the main topics of Christoph Walther's research interests, such as formal modeling, theorem proving, induction, and termination analysis. Together they give a good overall perspective on the formal verification of the correctness of software systems.
