Sojer Reusing Open Source Code

Value Creation and Value Appropriation Perspectives on Knowledge Reuse
1. Auflage 2010
ISBN: 978-3-8349-6390-1
Verlag: Betriebswirtschaftlicher Verlag Gabler
Format: PDF
Kopierschutz: 1 - PDF Watermark

E-Book, Englisch, 288 Seiten, Web PDF

Reihe: Business and Economics

The reuse of existing code through their software developers is critical for firms to ensure efficient development of high-quality software. A recent facet of this topic is the increasing importance of reusing open source code which is often available free of charge via download from the internet, but brings along legal risks through its licenses. In this setting Manuel Sojer empirically investigates which factors influence software developers to reuse open source code and what causes them to comply with the resulting license obligations or not.

Zielgruppe

Research

Autoren/Hrsg.

Sojer, Manuel

Inhaltsverzeichnis

1;Preface;6
2;Foreword;7
3;Table of Contents;9
4;List of Figures;12
5;List of Tables;13
6;List of Abbreviations;14
7;Zusammenfassung;15
8;Abstract;18
9;1. Introduction;21
9.1;1.1. Motivation: The Cisco/Linksys case;22
9.2;1.2. Research objectives;23
9.3;1.3. Structure of the dissertation;28
10;2. Foundations of value creation and value appropriation;29
10.1;2.1. Concepts and terminology;30
10.2;2.2. Determinants of value creation;34
10.3;2.3. Determinants of value appropriation;35
10.4;2.4. Summary;38
11;3. Open source software developers’ perspectives on code reuse37;40
11.1;3.1. Introduction;40
11.2;3.2. Foundations of knowledge reuse;43
11.2.1;3.2.1. Knowledge reuse to create value;43
11.2.2;3.2.2. Knowledge reuse in software development;46
11.2.3;3.2.3. The not-invented-here syndrome;53
11.2.4;3.2.4. Intermediate conclusion;55
11.3;3.3. OSS and its development;56
11.3.1;3.3.1. History of OSS;57
11.3.2;3.3.2. OSS licenses56;59
11.3.3;3.3.3. OSS development;60
11.3.4;3.3.4. Motivations of OSS developers;65
11.3.5;3.3.5. Code reuse in OSS development;70
11.3.6;3.3.6. Intermediate conclusion and detailed research questions;73
11.4;3.4. Research model and hypotheses;74
11.4.1;3.4.1. The theory of planned behavior81;75
11.4.2;3.4.2. Qualitative pre-study;76
11.4.3;3.4.3. Determinants of code reuse behavior;77
11.5;3.5. Survey design and methodology;92
11.5.1;3.5.1. Data source and sample selection;92
11.5.2;3.5.2. Survey design;95
11.5.3;3.5.3. Pretest;97
11.5.4;3.5.4. Conducting the survey;97
11.6;3.6. Descriptive and exploratory analyses;99
11.6.1;3.6.1. Survey participants and their OSS projects;100
11.6.2;3.6.2. Importance and extent of code reuse;106
11.6.3;3.6.3. Developers’ reasons for and against code reuse;110
11.6.4;3.6.4. Component and snippet reuse;119
11.6.5;3.6.5. Developers’ sources to search for existing code to reuse;125
11.6.6;3.6.6. Summary;128
11.7;3.7. Multivariate analysis of determinants of code reuse;130
11.7.1;3.7.1. Hypotheses;130
11.7.2;3.7.2. Variables;131
11.7.3;3.7.3. Statistical methods used;135
11.7.4;3.7.4. Results;135
11.7.5;3.7.5. Discussion and summary;142
11.8;3.8. Conclusion;146
12;4. Commercial software developers’ perspectives on internet code reuse139;151
12.1;4.1. Introduction;151
12.2;4.2. Foundations of internet code reuse in commercial software development;155
12.2.1;4.2.1. Obligations from internet code reuse;155
12.2.2;4.2.2. Internet code reuse in commercial software development;161
12.2.3;4.2.3. Intermediate conclusion and detailed research questions;165
12.3;4.3. Research model and hypotheses;168
12.3.1;4.3.1. Theoretical models to predict ethical behavior;169
12.3.2;4.3.2. Qualitative pre-study;170
12.3.3;4.3.3. Determinants of violations of internet code reuse obligations;172
12.4;4.4. Survey design and methodology;188
12.4.1;4.4.1. Data source and sample selection;188
12.4.2;4.4.2. Survey design;189
12.4.3;4.4.3. Pretest;193
12.4.4;4.4.4. Conducting the survey;193
12.5;4.5. Descriptive and exploratory analyses;196
12.5.1;4.5.1. Survey participants and their firms;196
12.5.2;4.5.2. Developer awareness of internet code reuse obligations;200
12.5.3;4.5.3. Internet code reuse in commercial software development;206
12.5.4;4.5.4. Extent of (potential) violations of internet code obligations;211
12.5.5;4.5.5. Summary;213
12.6;4.6. Research model testing and results;215
12.6.1;4.6.1. Hypotheses;215
12.6.2;4.6.2. Statistical methods used;216
12.6.3;4.6.3. Measurement model assessment and descriptive statistics;218
12.6.4;4.6.4. Structural model assessment;228
12.6.5;4.6.5. Discussion and summary;232
12.7;4.7. Conclusion;237
13;5. Conclusion;248
14;Appendix;256
15;A.1. Code reuse in open source software development;257
15.1;A.1.1. Survey questionnaire among OSS developers;257
15.2;A.1.2. Multivariate analyses of determinants of code reuse;267
16;A.2. Code reuse in commercial software development;269
16.1;A.2.1. ACM code of ethics and professional conduct: IP case;269
16.2;A.2.2. Survey questionnaire among commercial software developers;270
16.3;A.2.3. Internet code reuse quiz;278
16.4;A.2.4. Discriminant validity of model constructs;279
17;Bibliography;281

Über Autor(innen)

Dr. Manuel Sojer has been a researcher and lecturer at the Schöller Chair in Technology and Innovation Management of Prof. Dr. Joachim Henkel (Technische Universität München).