SSADM & GRAPES: Two Complementary Major European Methodologies for Information Systems Engineering by A. AueSSADM & GRAPES: Two Complementary Major European Methodologies for Information Systems Engineering by A. Aue

SSADM & GRAPES: Two Complementary Major European Methodologies for Information Systems Engineering

byA. AueEditorRudolf Duschl, Nicholas C. Hopkins

Paperback | May 27, 1992

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documentation is constantly refined as detailed under­ 1.1 Purpose standing of the requirement increase. The CCT A of the UK government and Siemens For project management purposes the SSADM life Nixdorf (SNI) have undertaken a joint project to com­ cycle is defined in terms of work packages, modules, pare the CCTA's methodology SSADM and Siemens stages and steps. Each work package is completed when Nixdorf's product GRAPES]). SSADM is an analysis a specified set of documentation is produced and satis­ and design methodology for computer systems. fies specified quality criteria. All activities undertaken at GRAPES is a graphical language used within the each point are those necessary to produce the required framework provided by the DOMINO@: process tech­ documentation. nology of Siemens Nixdorf for analysis and design of information systems. (In the 1991 Statement of Direc­ The analysis is undertaken concentrating on three key tion it was declared the Siemens Nixdorf main line for perspectives: modelling technology.) The study was undertaken in February and March 1991. . functions (users' views of system processing to react to events) The goal of the study was to compare SSADM and . events (real-world business events, e.g. "receipt of DOMINO/GRAPES to discover whether both application"; or system-generated, e.g. end-of-month approaches elicit the same knowledge about a system.
Title:SSADM & GRAPES: Two Complementary Major European Methodologies for Information Systems EngineeringFormat:PaperbackPublished:May 27, 1992Publisher:Springer Berlin HeidelbergLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:3540553800

ISBN - 13:9783540553809

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Table of Contents

1 Introduction.- 1.1 Purpose.- 1.2 What is Being Compared?.- 1.3 Intended Audience.- 1.4 Study Assumptions.- 1.5 The Task.- 1.6 The Comparison Study.- 1.7 Overview of the Case Study.- 1.8 Summary.- 2 Overview of Both Methods.- 2.1 Overview of SSADM.- 2.2 Overview of DOMINO/GRAPES.- 3 Motivation, Background and Philosophy.- 3.1 SSADM.- 3.2 GRAPES History and Development.- 3.3 Comparison.- 4 Methodology Style.- 4.1 SSADM Style.- 4.2 GRAPES Style.- 4.3 Comparison of SSADM and GRAPES Styles.- 5 Architecture of the Developed Systems.- 5.1 SSADM Architecture.- 5.2 GRAPES Processing Architecture.- 5.3 Examples of the SSADM Architecture in the Hi-Ho Case Study.- 5.4 Examples of GRAPES's Processing Architecture in the Hi-Ho Case Study.- 5.5 Comparison of the Architecture of End-Products of GRAPES & SSADM.- 6 Life Cycles.- 6.1 The SSADM Life Cycle.- 6.2 The DOMINO Life Cycle.- 6.3 Coverage of the SSADM Life Cycle in the Hi-Ho Case Study.- 6.4 Coverage of the GRAPES Life Cycle in the Hi-Ho Case Study.- 6.5 Comparison of the GRAPES and SSADM Life Cycles.- 7 Fact Representation & Syntax.- 7.1 Fact Representation & Syntax in SSADM.- 7.2 Fact Representation & Syntax in GRAPES.- 7.3 Examples of the SSADM Fact Representation & Syntax.- 7.4 Examples of the GRAPES Fact Representation & Syntax.- 7.5 Comparison of the GRAPES & SSADM Fact Representation & Syntax.- 8 The Knowledge Collection Process.- 8.1 Knowledge Collection in SSADM.- 8.2 Knowledge Collection in GRAPES.- 8.3 Examples of the SSADM Knowledge Collection Process.- 8.4 Examples of the GRAPES Knowledge Collection Process.- 8.5 Comparison of the GRAPES and SSADM Knowledge Collection Processes.- 9 Transformations.- 9.1 Transformations in SSADM.- 9.2 Transformations in GRAPES.- 9.3 Examples of the SSADM Transformations.- 9.4 Examples of the GRAPES Transformations.- 9.5 Comparison of the GRAPES and SSADM Transformations.- 10 Conclusions.- 10.1 Answers to Specific Questions.- 10.2 Opportunities for Harmonization of GRAPES and SSADM.- Annex 1.- The Hi-Ho Recruitment Case Study.- The current Hi-Ho system.- Requirements for the new Hi-Ho system.- Sample forms in use in the current system.- Annex 2.- Hi-Ho SSADM Development.- Data flow diagrams.- Logical data model.- Logical data model-data store cross-references.- Enquiry access paths.- LDM enhanced with RDA results.- Results of ELH analysis, 1st pass.- Further DFD & LDM documentation.- Entity life histories after 2nd pass.- ECDs after 2nd pass.- After specification of deletion strategy.- Update process models.- Enquiry process models.- Function DFD equivalents.- Function input structures.- Probable function processing from stage 6.- Input/output data.- Annex 3.- Hi-Ho GRAPES Development.- Model of Required System.- Static structure.- Communication.- Behaviour.- Model hierarchy.- Reusable units.- Model of Current Situation.- Static structure.- Communication.- Behaviour.- Annex 4.- Hi-Ho SSADM Development Using Super-Events.- Annex 5.- Hi-Ho GRAPES Intermediate Diagrams.- References.