Object Oriented Systems Analysis Modeling the World in Data

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ISBN: 9780136290230 | 013629023X
Cover: Paperback
Copyright: 4/7/1988

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This reference describes the semantic modeling of data as a technique for systems analysis. Authors focus first on information modeling itself and the problems to which such a model applies, and then demonstrates how the model can be integrated into the software development process. Four fully developed models are included in the appendix.

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Preface	p. xi
Why Information Modeling?	p. 1
Difficulties in software development	p. 1
How projects go awry	p. 4
Information modeling as an answer	p. 6
When to use information modeling in the software development process	p. 7
Preview	p. 7
Basic Ideas	p. 9
A quick intuitive introduction to the elements of the model
Objects	p. 14
Definition of object	p. 14
Identifying objects	p. 15
Object descriptions	p. 19
Naming objects	p. 21
Testing objects	p. 23
Attributes	p. 26
Definition of attributes	p. 26
Notation	p. 28
Finding and classifying attributes	p. 29
Identifiers	p. 32
Attribute descriptions	p. 35
Domains	p. 37
Formalizing the concept of table	p. 40
Relationships	p. 47
Concept of a relationship	p. 47
Forms of binary relationships	p. 49
Unconditional one-to-one relationships	p. 51
Unconditional one-to-many relationships	p. 53
Unconditional many-to-many relationships	p. 56
Semantics and modeling of conditional forms	p. 59
Constructions Involving Many Objects	p. 65
Subtypes and supertypes	p. 65
Associative objects	p. 69
Representation of the Information Model	p. 76
Information structure diagrams	p. 77
Overview information structure diagram	p. 81
Object specification document	p. 83
Relationship specification document	p. 84
Summary document	p. 84
Techniques	p. 86
Document research	p. 86
Dialog	p. 87
Technical notes	p. 89
Reviews	p. 89
Other suggestions	p. 89
The Role of the Information Model in System Development	p. 91
Software development processes	p. 92
The analysis phase: An object-oriented approach	p. 93
The external specification phase	p. 97
The system design phase	p. 102
The implementation phase	p. 105
Summary	p. 108
Information Model for Management of Magnetic Tapes	p. 109
Data Organization for a Real-Time Process Control System	p. 131
References	p. 139
Index	p. 141
Table of Contents provided by Syndetics. All Rights Reserved.

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Object Oriented Systems Analysis Modeling the World in Data

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