Algebraic specification and proof of properties of communicating sequential processes

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Oxford University , Oxford
Statementby C.A.R.Hoare and He Jifeng.
SeriesTechnical monograph -- PRG-52
ContributionsHe, Jifeng., Oxford University Computing Laboratory. Programming Research Group.
ID Numbers
Open LibraryOL21090637M
ISBN 100902928333

ALGEBRAIC SPECIFICATION AND PROOF OF PROPERTIES OF COMMUNICATING SEQUENTIAL PROCESSES. and. He Jifeng. Oxford University. Co,Tlputlng. Laboratory "'19'amming o,esearch Group-Library ~ '.

Summary. A restricted notation is suggested for the description of communicating sequential processes. The notation is defined by algebraic equations, which permit proof of further equations describing relevant properties of the by: 1. Communicating Sequential Processes C.A.R.

Hoare The Queen's University Belfast, Northern Ireland This paper suggests that input and output are basic primitives of programming and that parallel composition of communicating sequential processes is a File Size: 1MB. A Proof System for Communicating Sequential Processes.

(Algebra of Communicating Processes) with features that are relevant to processes in which data are involved, present a. concept of a process, and the operators in terms of which processes are constructed.

These definitions are a basis for the algebraic laws, the implementations and the proof rules. A reader may consistently or intermittently omit or postpone any of these topics which are of lesser interest, or which present greater difficulty of un-derstanding. Communicating Sequential Processes, or CSP, is a language for describing patterns of interaction.

It is supported by an elegant, mathematical theory, a set of proof tools, and an extensive literature. This book can be downloaded in pdf format. of Communicating Sequential Processes (CSP) I12].

Description Algebraic specification and proof of properties of communicating sequential processes FB2

It is the purpose of this paper to construct a mathematical domain that should play the same role in defining the semantics of communicating processes as the domain of partial functions does for sequential and.

Algebraic Specifications in order to illustrate how applications of these operations can be understood as describing stacks or as observing properties of stacks. Using function composition (and assuming that to some expression F as described above. As E = G and G = F, we also have E = F (equivalence is transitive).

End of proof. An algebraic specification is a description of one or more abstract data types. There are three main semantic approaches to algebraic specifications: (1) the initial algebra approach, (2) the terminal algebra approach, and (3) the loose approach.

A fourth approach that is mainly of theoretical interest uses iso-initial algebras. ⊗ Algebraic specification is particularly appropriate for ADT specification as it focuses on operations and their relationships.

CS / Software Specification and Analysis Instructor: F.T. Sheldon Slide 6 Specification structure ⊗ Introduction ⊕ Introduces the sort (type) name and imported.

An arbitrary number of processes may offer terms to each others: if these terms have common instances, communication can indeed take place, and amounts to applying the unifying substitutions to the processes involved.

The syntax and operational semantics of process algebras with this general view of communication are formally defined.

In computer science, communicating sequential processes (CSP) is a formal language for describing patterns of interaction in concurrent systems.

It is a member of the family of mathematical theories of concurrency known as process algebras, or process calculi, based on message passing via was highly influential in the design of the occam programming language and also. A number of different process algebras have been developed from which the leading examples consist of Calculus of Communicating Systems (CCS) (Milner, ), Communicating Sequential Processes (CSP) (Hoare, ), and Algebra of Communicating Processes (ACP) (Baeten and Weijland, ).

Book excerpts: This book is an introduction to CSP (Communicating Sequential Processes), a formal language used to describe parallel systems. The language and this book was authored by the same person, C.

Details Algebraic specification and proof of properties of communicating sequential processes EPUB

Hoare, a well known figure who discovered the QuickSort algorithm in and led a team in the design and delivery of the first. This video is made as a part of Theory of Computations course at the Innopolis University. It is about an extraordinary research paper "Communicating Sequent.

A proof system for communicating sequential processes DSpace/Manakin Repository. A proof system for communicating sequential processes (Book) Download/Full Text.

Open Access version via Utrecht University Repository. The core of the EB-3 language consists of process algebraic specifications describing the behaviour of entities in a system, and attribute functions that are recursive functions evaluated on the. A proof system for communicating sequential processes -final edition DSpace/Manakin Repository.

A proof system for communicating sequential processes -final edition (Book) Download/Full Text. Open Access version via Utrecht University Repository. declares an array of processes all with the same code but with different names (e.g., X(1), X(2), X() Communication among processes in the array is facilitated by the use of input/output commands as illustrated in this code fragment.

ACP, the Algebra of Communicating Processes, is an algebraic approach to the study of concurrent processes, initiated by Jan Bergstra and Jan Will em Klop in the early eighties. These proceedings comprise the contributions to ACP94, the first workshop devoted to ACP.

The work­ shop was held at Utrecht University, May for the proof of correctness of programs expressed as communicating sequential processes. However, in this paper the formalities have been kept to a minimum and no proofs are given. Basic Concepts and Notations. The ultimate constituent of our model is a symbol, whict may be intuitively understood as denoting a class of event in.

Communicating Sequential Processes, or CSP, is a language for describing patterns of interaction. It is supported by an elegant, mathematical theory, a set of proof tools, and an extensive literature. The book Communicating Sequential Processes was first published in by Prentice Hall International (who have kindly released the copyright); it is an excellent introduction to the language.

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Communicating Sequential Processes (CSP) is theoretical one of the process calculations about the parallel nature [].Affected programming language Occam []; []. Anthony Hoar devised CSP first in [] and was considerably improved was industrial, and it has been used as a form specifications description tool to describe parallel characteristics in various systems, and to inspect.

Reed–Solomon codes are a group of error-correcting codes that were introduced by Irving S. Reed and Gustave Solomon in They have many applications, the most prominent of which include consumer technologies such as CDs, DVDs, Blu-ray discs, QR codes, data transmission technologies such as DSL and WiMAX, broadcast systems such as satellite communications, DVB and ATSC, and storage.

Process Algebras and Communicating Sequential Processes. Introduction. This set of notes is a work in progress. Slowly and steadily I'm placing the more on the web. The reader will almost certainly benefit from studying my sources. Meanwhile I am scattering a Hole link all over this page to invite you, the reader, to help me fill in the blanks.

Sequential Composition: Laws • Processes do not share their local variables. Thus in P ; Q the final state of P is independent of the initial state of Q. For example in the sequential composition →out!x →Skip) ; (in?x →) the value of x in the first process has no relationship to the value of x. Wong P and Gibbons J A process-algebraic approach to workflow specification and refinement Proceedings of the 6th international conference on Software composition, () Estevez E and Janowski T Programmable messaging for electronic government - building a foundation Formal methods and hybrid real-time systems, ().

It is supported by an elegant, mathematical theory, a set of proof tools, and an extensive literature. The book Communicating Sequential Processes was first published in by Prentice Hall International; it is an excellent introduction to the language, and also to the mathematical theory.

CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): In this paper, we consider the process algebra ACPL, which models the basics of agent communication. This algebra combines the information processing aspects of Concurrent Constraint Programming (CCP) with a generalisation of the synchronous handshaking communication mechanism of Communicating Sequential Processes.

communicating sequential processes is a fundamental program structuring method. When combined wi th a development of Dljkstl'a' s guarded command, these concepts are surprisingly versatile. Their use is illustrated by sample solutions of several familiar programming exercises.

Communicating processes. he published his famous book ‘A Calculus of Communicating Systems’ [63]. Generally this book is seen as the starting point for process algebra in its current form.

In this book the main process constructors are an alternative composition operator (+), action pre x operators (a::) for a number of atomic actions a, and a parallel.’ & $ % Postgraduate Course: Process Algebra Communicating Sequential Process Chapter 3 Nondeterminism Huibiao Zhu Software Engineering Institute, East China Normal University 1 ’ & % (1) Processes are called deterministic, because whenever there is more than one event possible, the choice between them is determined externally by the.CS – Fall, 2 CSP Communicating Sequential Processes (CSP) single thread of control autonomous encapsulated named static synchronous reliable unidirectional point-to-point fixed topology sequential process communication channel.