A simple introduction to data and activity analysis:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Sutton
Computer Weekly
1989
|
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | VIII, 261 S. zahlr. graph. Darst. |
| ISBN: | 1853840017 |
Internformat
MARC
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Datensatz im Suchindex
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|---|---|
| adam_text | Preface vii
Acknowledgements ix
Chapter 1 Introduction to Analysis 1
1.1 What does Analysis mean? 1
1.2 Why is Data and Activity Analysis different from traditional Systems Analysis ? 1
1.3 What is its purpose? 2
1.4 Where can it be used in a traditional Systems Development Cycle? 4
1.5 How are the results of the analysis used? 8
1.6 What about the other methods I ve heard about? 9
1.7 Summary 10
Chapter 2 Data Analysis 11
2.1 Introduction 11
2.2 Main concepts 11
Entities 11
Attributes 12
Relationships 14
2.3 Diagrammatic techniques 15
Degree of Relationships 16
One to one Relationships 16
One to many Relationships 16
Many to many Relationships 16
Optionality 17
Exclusivity 20
Entities identified by Relationships 20
Entity sub types 21
2.4 Other deliverables of Data Analysis 26
2.5 An example model , 30
2.6 Fundamental rules of Data Analysis 32
2.7 Summary 33
Chapter 3 How to do Data Analysis 35
3.1 Introduction 35
Real World Abstractions and Real World Occurrences , 35
Design Abstractions and Occurrences 35
3.2 Analysis . 37
Using forms and record layouts 37
Using conceptual descriptions 44
Using Occurrences 53
Using Design Occurrences 60
3.3 Merging the models 72
3.4 Refining the Data Model 76
Removing Synonyms 77
Check for Attribute duplication 79
Generalisation Entities 83
Looking for Patterns 84
Exclusivity Case 84
Generalising Relationships 85
Removing Redundancy 91
Contents
Resolving many to many Relationships 92
Investigating one to one Relationships 98
Remove code only Entities 99
Degree Verification 100
3.5 Summary 101
Chapter 4 Activity or Function Analysis 105
4.1 Introduction 105
4.2 Main concepts of Activity Analysis 105
Activity 105
Event 106
Sources and Sinks 106
Data Flow 108
Data Store 108
4.3 Diagrammatic representation 109
Activity Decomposition Diagram 110
D ata Flow Diagram 113
Conditions, repetition and sequence 119
Conditions 119
Repetition 122
Sequence and Parallel 124
4.4 Other deliverables of Activity Analysis 124
4.5 Summary 125
Chapter 5 How to do Activity Analysis 131
5.1 Introduction 131
Real World Abstractions and Real World Occurrences 131
Design Abstractions 132
5.2 Analysis 133
Using Real World Abstractions 133
Using Design Abstractions 143
Using actions or Activity Occurrences 165
5.3 Refining the results 170
5.4 Verification methods 173
Inner consistency checks 173
Outer consistency checks 176
5.5 Summary 179
Chapter 6 Improving a System Using the Analysis Methods 181
6.1 Introduction 181
6.2 Problems, Causes and Effects 181
Problems 181
Cause 182
Effect 182
6.3 Objectives, Obligations and Events 186
Objectives 186
Obligations 186
Events 186
6.4 Summary 189
Chapter 7 Elementary Activities 191
7.1 Introduction 191
7.2 Definition and purpose 191
Definition of Elementary Activities 191
7.3 Structured Text and Access Paths 193
Example commands to describe Elementary Activities 195
7.4 Common Procedures, Messages and embedded Elementary Activities 205
Common Procedures 205
Messages 206
Embedded Elementary Activities 207
7.5 Examples of Elementary Activities 207
Contents
7.6 Updating the Data Model 208
7.7 Other useful detailed deliverables of an Elementary Activity 225
Response required 225
User/Activity responsibility: represented by matrix 225
Usage figures 229
Examples of Elementary Activity Access Path Usage 232
7.8 Summary 242
Chapter 8 Summary 243
8.1 Introduction 243
8.2 Packaging the results Data Dictionaries, Analyst Workbenches and IPSEs 243
8.3 The next step design 245
8.4 Summary of contents 248
Index 251
Notes 255
Computer Weekly Publications 259
|
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| illustrated | Illustrated |
| indexdate | 2024-07-09T16:10:53Z |
| institution | BVB |
| isbn | 1853840017 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-002663183 |
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| physical | VIII, 261 S. zahlr. graph. Darst. |
| publishDate | 1989 |
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| spelling | Rock-Evans, Rosemary 1950- Verfasser (DE-588)1157213693 aut A simple introduction to data and activity analysis Sutton Computer Weekly 1989 VIII, 261 S. zahlr. graph. Darst. txt rdacontent n rdamedia nc rdacarrier Datenverarbeitung Wirtschaft Business Data processing System analysis Aktivitätsanalyse (DE-588)4141767-7 gnd rswk-swf Datenauswertung (DE-588)4131193-0 gnd rswk-swf Aktivitätsanalyse (DE-588)4141767-7 s Datenauswertung (DE-588)4131193-0 s DE-604 HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=002663183&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Rock-Evans, Rosemary 1950- A simple introduction to data and activity analysis Datenverarbeitung Wirtschaft Business Data processing System analysis Aktivitätsanalyse (DE-588)4141767-7 gnd Datenauswertung (DE-588)4131193-0 gnd |
| subject_GND | (DE-588)4141767-7 (DE-588)4131193-0 |
| title | A simple introduction to data and activity analysis |
| title_auth | A simple introduction to data and activity analysis |
| title_exact_search | A simple introduction to data and activity analysis |
| title_full | A simple introduction to data and activity analysis |
| title_fullStr | A simple introduction to data and activity analysis |
| title_full_unstemmed | A simple introduction to data and activity analysis |
| title_short | A simple introduction to data and activity analysis |
| title_sort | a simple introduction to data and activity analysis |
| topic | Datenverarbeitung Wirtschaft Business Data processing System analysis Aktivitätsanalyse (DE-588)4141767-7 gnd Datenauswertung (DE-588)4131193-0 gnd |
| topic_facet | Datenverarbeitung Wirtschaft Business Data processing System analysis Aktivitätsanalyse Datenauswertung |
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