A. Aksulu and M. Wade, A comprehensive review and synthesis of open source research, Journal of the Association for Information Systems, vol.11, issue.11, p.576, 2010.

. Black-duck-software, Center for Open Source Research & Innovation. In: (self-published white paper), 2017.

A. Bonaccorsi and C. Rossi, Why open source software can succeed, Research policy, vol.32, pp.1243-1258, 2003.

E. Capra, C. Francalanci, and F. Merlo, An empirical study on the relationship between software design quality, development effort and governance in open source projects, IEEE Transactions on Software Engineering, vol.34, issue.6, pp.765-782, 2008.

K. Charmaz, Constructing grounded theory, 2014.

J. Corbin and A. Strauss, Basics of qualitative research: In: Techniques and procedures for developing grounded theory, 2014.

D. Cruz, T. Wieland, and A. Ziegler, Evaluation criteria for free/open source software products based on project analysis, Software Process: Improvement and Practice, vol.11, pp.107-122, 2006.

J. C. Deprez and S. Alexandre, Comparing assessment methodologies for free/open source software: OpenBRR and QSOS, International Conference on Product Focused Software Process Improvement, pp.189-203, 2008.

A. Deshpande and D. Riehle, The total growth of open source, Open Source Development, Communities and Quality, pp.197-209, 2008.

C. Emde and T. Jaeger, In: Open Source Automation Development Lab (self-published white paper), 2017.

, European Commission: The economic and social impact of software & services on competitiveness and innovation, pp.197-198, 2017.

B. Fitzgerald, The transformation of open source software, Mis Quarterly, pp.587-598, 2006.

G. R. Gangadharan, S. De-paoli, V. D'andrea, and M. Weiss, License Compliance Issues in Free and Open Source Software, MCIS 2008 Proceedings, vol.2, 2008.

G. R. Gangadharan, V. De-paoli, S. Weiss, and M. , Managing license compliance in free and open source software development, Information Systems Frontiers, vol.14, issue.2, pp.143-154, 2012.

D. M. German and A. E. Hassan, License integration patterns: Addressing license mismatches in component-based development, Proceedings of the 31st International Conference on Software Engineering, pp.188-198, 2009.

D. M. German, M. Di-penta, and J. Davies, Understanding and auditing the licensing of open source software distributions, IEEE 18th International Conference on, pp.84-93, 2010.

D. M. German, Y. Manabe, and K. Inoue, A sentence-matching method for automatic license identification of source code files, Proceedings of the IEEE/ACM international conference on Automated software engineering, pp.437-446, 2010.

R. Gobeille, The fossology project, Proceedings of the 2008 international working conference on Mining software repositories, pp.47-50, 2008.

J. Hammond, P. Santinelli, J. J. Billings, and B. Ledingham, The tenth annual future of open source survey, Black Duck Software. (self-published presentation, 2016.

Ø. Hauge, C. Ayala, and R. Conradi, Adoption of open source software in software-intensive organizations-A systematic literature review, Information and Software Technology, vol.52, pp.1133-1154, 2010.

M. Helmreich, Best practices of adopting open source software in closed source software products. In: (Doctoral dissertation, 2011.

O. Hummel, W. Janjic, and C. Atkinson, Code conjurer: Pulling reusable software out of thin air, IEEE software, p.25, 2008.

A. Kaufmann and D. Riehle, The QDAcity-RE method for structural domain modeling using qualitative data analysis, Requirements Engineering, pp.1-18, 2017.

G. Von-krogh, S. Spaeth, and S. Haefliger, Knowledge reuse in open source software: An exploratory study of 15 open source projects, System Sciences, 2005. HICSS'05. Proceedings of the 38th Annual Hawaii International Conference on, pp.198-198, 2005.

V. Krogh, G. Von-hippel, and E. , The promise of research on open source software, Management science, vol.52, pp.975-983, 2006.

P. B. De-laat, Governance of open source software: state of the art, Journal of Management & Governance, vol.11, issue.2, pp.165-177, 2007.

K. R. Lakhani, V. Hippel, and E. , How open source software works:"free" user-to-user assistance, Research policy, vol.32, pp.923-943, 2003.

C. Lattemann and S. Stieglitz, Framework for governance in open source communities, System Sciences, 2005. HICSS'05. Proceedings of the 38th Annual Hawaii International Conference on, pp.192-192, 2005.

M. Lombard, J. Snyder-duch, and C. C. Bracken, Content analysis in mass communication: Assessment and reporting of intercoder reliability, Human communication research, vol.28, issue.4, pp.587-604, 2002.

, OpenChain Specification, 2018.

D. Penta, M. German, D. M. Antoniol, and G. , Identifying licensing of jar archives using a code-search approach, Mining Software Repositories (MSR), 2010 7th IEEE Working Conference on, pp.151-160, 2010.

K. M. Popp, Best Practices for Commercial Use of Open Source Software, Business models, processes and tools for managing open source software. BoD-Books on Demand, 2015.

M. Radcliffe and P. Odence, The 2017 Open Source Year in Review, Black Duck Software, 2017.

D. Riehle, The economic motivation of open source software: Stakeholder perspectives, Computer, vol.40, issue.4, 2007.

D. Riehle, The commercial open source business model, Value creation in e-business management, pp.18-30, 2009.

D. Riehle, Controlling and steering open source projects, IEEE Computer, vol.44, issue.7, pp.93-96, 2011.

D. Riehle and B. Lempetzeder, Erfolgsmethoden der Open-Source-Governance und-Compliance, 2014.

D. Riehle and N. Harutyunyan, License Clearance in Software Product Governance. In: NII Shonan, 2017.

C. Ruffin and C. Ebert, Using open source software in product development: A primer, IEEE software, vol.21, pp.82-86, 2004.

B. M. Sadowski, G. Sadowski-rasters, and G. Duysters, Transition of governance in a mature open software source community: Evidence from the Debian case, Information Economics and Policy, vol.20, issue.4, pp.323-332, 2008.

R. Semeteys, Method for qualification and selection of open source software, Open Source Business Resource, 2008.

, Software Package Data Exchange (SPDX, 2018.

S. K. Sowe, I. Stamelos, and L. Angelis, Understanding knowledge sharing activities in free/open source software projects: An empirical study, Journal of Systems and Software, vol.81, issue.3, pp.431-446, 2008.

, Tools for Managing Open Source Programs, 2018.

M. Umarji, S. E. Sim, and C. Lopes, Archetypal internet-scale source code searching, IFIP International Conference on Open Source Systems, pp.257-263, 2008.

H. Wang and C. Wang, Open source software adoption: A status report, IEEE Software, vol.18, pp.90-95, 2001.