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Reusing Open Source Code - Value Creation and Value Appropriation Perspectives on Knowledge Reuse
of: Manuel Sojer
Gabler Verlag, 2010
ISBN: 9783834963901 , 306 Pages
Format: PDF, Read online
Copy protection: DRM
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Reusing Open Source Code - Value Creation and Value Appropriation Perspectives on Knowledge Reuse
Preface
6
Foreword
7
Table of Contents
9
List of Figures
12
List of Tables
13
List of Abbreviations
14
Zusammenfassung
15
Abstract
18
1. Introduction
21
1.1. Motivation: The Cisco/Linksys case
22
1.2. Research objectives
23
1.3. Structure of the dissertation
28
2. Foundations of value creation and value appropriation
29
2.1. Concepts and terminology
30
2.2. Determinants of value creation
34
2.3. Determinants of value appropriation
35
2.4. Summary
38
3. Open source software developers’ perspectives on code reuse37
40
3.1. Introduction
40
3.2. Foundations of knowledge reuse
43
3.2.1. Knowledge reuse to create value
43
3.2.2. Knowledge reuse in software development
46
3.2.3. The not-invented-here syndrome
53
3.2.4. Intermediate conclusion
55
3.3. OSS and its development
56
3.3.1. History of OSS
57
3.3.2. OSS licenses56
59
3.3.3. OSS development
60
3.3.4. Motivations of OSS developers
65
3.3.5. Code reuse in OSS development
70
3.3.6. Intermediate conclusion and detailed research questions
73
3.4. Research model and hypotheses
74
3.4.1. The theory of planned behavior81
75
3.4.2. Qualitative pre-study
76
3.4.3. Determinants of code reuse behavior
77
3.5. Survey design and methodology
92
3.5.1. Data source and sample selection
92
3.5.2. Survey design
95
3.5.3. Pretest
97
3.5.4. Conducting the survey
97
3.6. Descriptive and exploratory analyses
99
3.6.1. Survey participants and their OSS projects
100
3.6.2. Importance and extent of code reuse
106
3.6.3. Developers’ reasons for and against code reuse
110
3.6.4. Component and snippet reuse
119
3.6.5. Developers’ sources to search for existing code to reuse
125
3.6.6. Summary
128
3.7. Multivariate analysis of determinants of code reuse
130
3.7.1. Hypotheses
130
3.7.2. Variables
131
3.7.3. Statistical methods used
135
3.7.4. Results
135
3.7.5. Discussion and summary
142
3.8. Conclusion
146
4. Commercial software developers’ perspectives on internet code reuse139
151
4.1. Introduction
151
4.2. Foundations of internet code reuse in commercial software development
155
4.2.1. Obligations from internet code reuse
155
4.2.2. Internet code reuse in commercial software development
161
4.2.3. Intermediate conclusion and detailed research questions
165
4.3. Research model and hypotheses
168
4.3.1. Theoretical models to predict ethical behavior
169
4.3.2. Qualitative pre-study
170
4.3.3. Determinants of violations of internet code reuse obligations
172
4.4. Survey design and methodology
188
4.4.1. Data source and sample selection
188
4.4.2. Survey design
189
4.4.3. Pretest
193
4.4.4. Conducting the survey
193
4.5. Descriptive and exploratory analyses
196
4.5.1. Survey participants and their firms
196
4.5.2. Developer awareness of internet code reuse obligations
200
4.5.3. Internet code reuse in commercial software development
206
4.5.4. Extent of (potential) violations of internet code obligations
211
4.5.5. Summary
213
4.6. Research model testing and results
215
4.6.1. Hypotheses
215
4.6.2. Statistical methods used
216
4.6.3. Measurement model assessment and descriptive statistics
218
4.6.4. Structural model assessment
228
4.6.5. Discussion and summary
232
4.7. Conclusion
237
5. Conclusion
248
Appendix
256
A.1. Code reuse in open source software development
257
A.1.1. Survey questionnaire among OSS developers
257
A.1.2. Multivariate analyses of determinants of code reuse
267
A.2. Code reuse in commercial software development
269
A.2.1. ACM code of ethics and professional conduct: IP case
269
A.2.2. Survey questionnaire among commercial software developers
270
A.2.3. Internet code reuse quiz
278
A.2.4. Discriminant validity of model constructs
279
Bibliography
281
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