The Construction Of Formal Specifications
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The Construction Of Formal Specifications
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Author : John G. Turner
language : en
Publisher:
Release Date : 1994
The Construction Of Formal Specifications written by John G. Turner and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Computers categories.
Introducing two widely-used approaches to the formal specification of software systems, this book considers VDM and the algebraic approach. In each case, the emphasis is intuitive, rather than mathematical and shows the reader how to construct a formal specification from the first principles by using general procedures that can be followed each time. Familiar applications are referred to throughout and examples, small case studies and problems accompany each chapter. The two approaches are brought together in one large joint case study at the end of the book, as well as a section comparing and contrasting them.
Building Models Through Formal Specification
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Author :
language : en
Publisher:
Release Date : 2004
Building Models Through Formal Specification written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.
Over the past years, a number of increasingly expressive languages for modelling constraint and optimisation problems have evolved. In developing a strategy to ease the complexity of building models for constraint and optimisation problems, we have asked ourselves whether, for modelling purposes, it is really necessary to introduce more new languages and notations. We have analyzed several emerging languages and formal notations and found (to our surprise) that the already existing Z notation, although not previously used in this context, proves to a high degree expressive, adaptable, and useful for the construction of problem models. To substantiate these claims, we have both compiled a large number of constraint and optimisation problems as formal Z specifications and translated models from a variety of constraint languages into Z. The results are available as an online library of model specifications, which we make openly available to the modelling community.
Algebraic Specifications In Software Engineering
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Author : Ivo Van Horebeek
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Algebraic Specifications In Software Engineering written by Ivo Van Horebeek and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Computers categories.
"I prefer to view formal methods as tools. the use of which might be helpful." E. W. Dijkstra Algebraic specifications are about to be accepted by industry. Many projects in which algebraic specifications have been used as a design tool have been carried out. What prevents algebraic specifications from breaking through is the absence of introductory descriptions and tools supporting the construction of algebraic specifications. On the one hand. interest from industry will stimulate people to make introductions and tools. whereas on the other hand the existence of introductions and tools will stimulate industry to use algebraic specifications. This book should be seen as a contribution towards creating this virtuous circle. The book will be of interest to software designers and programmers. It can also be used as material for an introductory course on algebraic specifications and software engineering at undergraduate or graduate level. Nowadays. there is general agreement that in large software projects appropriate specifications are a must in order to obtain quality software. Informal specifications alone are certainly not appropriate because they are incomplete. inconsistent. inaccurate and ambiguous and they rapidly become bulky and therefore useless. The only way to overcome this problem is to use formal specifications. An important remark here is that a specification formalism (language) alone is not sufficient. What is also needed is a design method to write specifications in that formalism.
Knowledge Based Expert System For Constructing Formal Specifications
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Author : MARK BLACKBURN Blackburn
language : en
Publisher:
Release Date : 1987
Knowledge Based Expert System For Constructing Formal Specifications written by MARK BLACKBURN Blackburn and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with categories.
This paper describes the concept of a Knowledge-Based Expert System (KBES) for an Automated Software Development Methodology (ASDM) that encompasses a formal model for characterizing the specifications of a system that will ultimately manifest itself in a software system (BLAC87). This paper focuses on the knowledge-based expert system supporting the semantic specification model of ASDM. The KBES provides expertise and assistance in the construction of formal requirement and design specifications. It represents formally characterized knowledge of the ASDM semantic model, and it represents application domain specific knowledge of a problem domain. This paper introduces the concept of an application domain communication model (ADCM) with its associated characterization and interpretation facilities, for defining a set of user interface scenarios that represent a cognitive model of an application domain engineering world. The ADCM concept will potentially allow application domain engineers to specify software systems using the well understood set of terminology (i.e., language notation and semantics) of their application domain.
Foundations Of Algebraic Specification And Formal Software Development
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Author : Donald Sannella
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-01-05
Foundations Of Algebraic Specification And Formal Software Development written by Donald Sannella and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-01-05 with Computers categories.
This book provides foundations for software specification and formal software development from the perspective of work on algebraic specification, concentrating on developing basic concepts and studying their fundamental properties. These foundations are built on a solid mathematical basis, using elements of universal algebra, category theory and logic, and this mathematical toolbox provides a convenient language for precisely formulating the concepts involved in software specification and development. Once formally defined, these notions become subject to mathematical investigation, and this interplay between mathematics and software engineering yields results that are mathematically interesting, conceptually revealing, and practically useful. The theory presented by the authors has its origins in work on algebraic specifications that started in the early 1970s, and their treatment is comprehensive. This book contains five kinds of material: the requisite mathematical foundations; traditional algebraic specifications; elements of the theory of institutions; formal specification and development; and proof methods. While the book is self-contained, mathematical maturity and familiarity with the problems of software engineering is required; and in the examples that directly relate to programming, the authors assume acquaintance with the concepts of functional programming. The book will be of value to researchers and advanced graduate students in the areas of programming and theoretical computer science.
Formal Foundations For The Specification Of Software Architecture
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Author :
language : en
Publisher:
Release Date : 1995
Formal Foundations For The Specification Of Software Architecture written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with categories.
This investigation establishes a formal foundation for software architecture that allows for the specification of large, non-trivial software systems using well founded, consistency preserving construction techniques. Two fundamental problems were addressed: how to define and express architectures formally using the concept of theories, and how architecture theories can be practically applied in specification construction. The initial stages of this investigation sought to establish a formal, mathematical relationship between functional specifications of behavior and specifications defining system structure. Experimental results lead to the conclusion that architectures defining the structure of functional operations can be defined using functional logic, but more complex architectures require a separate process logic. A process logic based on Hoare's Communicating Sequential Processes (CSP) was selected for representing and reasoning about system structure and was used in the definition of a process-based specification development system. Specifically, CSP was used to define a category of process-based specifications and specification morphisms. This allowed well-founded specification construction techniques such as specification morphisms, colimits, and interpretations to be applied to the construction of consistent software architecture. Architecture theories expressed in terms of functional and process-based specifications were defined, and translations between these architecture theories were investigated. A feasibility analysis on an image processing application demonstrated that architecture theories can be used to develop specifications for large, non-trivial applications. (KAR) P. 24.
Larch Languages And Tools For Formal Specification
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Author : John V. Guttag
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Larch Languages And Tools For Formal Specification written by John V. Guttag and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Mathematics categories.
Building software often seems harder than it ought to be. It takes longer than expected, the software's functionality and performance are not as wonderful as hoped, and the software is not particularly malleable or easy to maintain. It does not have to be that way. This book is about programming, and the role that formal specifications can play in making programming easier and programs better. The intended audience is practicing programmers and students in undergraduate or basic graduate courses in software engineering or formal methods. To make the book accessible to such an audience, we have not presumed that the reader has formal training in mathematics or computer science. We have, however, presumed some programming experience. The roles of fonnal specifications Designing software is largely a matter of combining, inventing, and planning the implementation of abstractions. The goal of design is to describe a set of modules that interact with one another in simple, well defined ways. If this is achieved, people will be able to work independently on different modules, and yet the modules will fit together to accomplish the larger purpose. In addition, during program maintenance it will be possible to modify a module without affecting many others. Abstractions are intangible. But they must somehow be captured and communicated. That is what specifications are for. Specification gives us a way to say what an abstraction is, independent of any of its implementations.
Introducing Specification Using Z
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Author : Bryan Ratcliff
language : en
Publisher: McGraw-Hill Companies
Release Date : 1994
Introducing Specification Using Z written by Bryan Ratcliff and has been published by McGraw-Hill Companies this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Computers categories.
Offering an introduction to formal specification using the Z notation, this practical text makes use of a series of case studies, of varying complexity, to illustrate the construction of good specifications in Z. These case studies serve to describe the most frequently used features of Z, the relevant discrete mathematics and the various techniques used. The text also includes an introduction to specification validation, theorem proving and refinement. The importance of formal methods within software engineering is stressed throughout and there are a large number of exercises with solutions.
Formal Specification
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Author : Nimal Nissanke
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Formal Specification written by Nimal Nissanke and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Mathematics categories.
Formal Specification provides the reader with a practical and versatile approach to constructing program specifications. It includes both model-based (Z/VDM) and algebraic (CLEAR) paradigms of specification and emphasizes the range of languages and approaches available. Its main advantage over other specification books is that is offers an unrivaled breadth of coverage of the area, encompassing all the recent important advances.
The Use Of Formal Specification Of Software
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Author : H.K. Berg
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
The Use Of Formal Specification Of Software written by H.K. Berg and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Computers categories.
The notion that program design is an engineering task alleviating the software crisis has been with us for about a decade. With the recognized advantages of obeying to certain software design disciplines, we are approaching the era of enforced system development standards which will ensure that end products will meet rigorous design requirements. On the one hand, advances in system architecture fUrther the application of system development standards to software and firmware design and production. On the other hand, the growth in complexity of future system architectures, in particular distri buted systems with their special problems of cooperation and parallelism, necessitate the use of rigorous specification and design techniques. In addition to hampering the design process, the lack of engineering techniques hinders research. In many cases, trial designs that are presented in abstract and informal terms do not force the de signer to face the full problem spectrum, and therefore may not sufficiently provide insight into the design process. To prepare for the forthcoming discipline and to provide a snapshot view of recent advances in software and firmware engineering, we organized in June of 1979 a seminar entitled: "The Use of Formal Specification of Software and Firmware". The seminar took place at the Heinrich-Hertz-Institute, Berlin, and attracted over 60 participants, most of them from the industry.