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Logical construction of software

Published: 01 October 1980 Publication History

Abstract

The authors contend that it is both possible and necessary to clearly demark and explicitly define the transition between the software design and software implementation phases of the software life cycle. The output of the software design phase is defined to be a logical design of software, and the logical design can be described explicitly if the software is viewed as a system of data sets and data transforms. Logical Construction of Software (LCS) is a software design methodology that guides the designer in defining and describing these software components and their relationships. The methodology is illustrated via a practical application.

References

[1]
Chamberlin, D.D. Relational data base management system Comptng. Surveys 8, 1 (March 1976), 43-66. A good tutorial on the essential concepts of the relational data model, normalization, relational languages, and advantages and implementations of relational systems.
[2]
Codd, E.F. A relational model of data for large shared data banks. Comm. ACM 13, 6 (June 1970), 377-387. A classic paper on the relational model of data.
[3]
Gane, C., and Sarson, T. Structured Systems Analysis: Tools and Techniques. IST, Inc., N.Y., 1977. Describes a structured approach to the design of logical models of commercial data processing applications. This approach uses logical data flow diagrams to show the sources and destination of data, data stores, and functions. Decision trees are used to describe "external" business logic of functions. The contents of each data store (fde) are defreed in a data dictionary.
[4]
Jensen, R.W., and Tonics, C.C. Software Engineering. Prentice-Hall, Englewood Cliffs, N.J., 1979. This textbook represents the culmination of many studies delving into the nature and methods of software development. Coverage includes project management, software design, structured programming, verification and validation, legal and security aspects of software development. It is a good book on software engineering.
[5]
Langefors, B. Theoretical Analysis of Information Systems. Auerback Publishers, Inc., Philadelphia, Pa. 1973. This is an excellent book on the analysis of information systems. It emphasizes the system approach for information systems analysis. Langefors concentrates on information structure and data and their relations associated with the information. He discusses systems algebra and makes extensive and comprehensive use of a precedence matrix to analyze relations among information sets.
[6]
Orr, K.T. Structured Systems Development. Yourdon Press, N.Y., 1977. Basically, Orr discusses the use of the Warnier approach for systems development.
[7]
Warnier, J.D. Logical Construction of Programs. Van Nostrand Reinhold, N.Y., 1974. This book describes a technique to construct programs based on the inherent structure of input data. The Warnier technique is very useful for capturing various kinds of structures inherent in input and output files.
[8]
Yourdon, E., and Constantine, L.L. Structured Design: Fundamentals of a Discipline of Computer Program and System Design.Yourdon Press, N.Y., 1978. This book describes a set of proposed general program design considerations and techniques for making coding, debugging, and modification easier, faster, and less expensive by reducing complexity.

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cover image Communications of the ACM
Communications of the ACM  Volume 23, Issue 10
Oct. 1980
58 pages
ISSN:0001-0782
EISSN:1557-7317
DOI:10.1145/359015
Issue’s Table of Contents
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 01 October 1980
Published in CACM Volume 23, Issue 10

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  1. software construction
  2. software design methodology

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