P. J. Ågerfalk, A. Deverell, B. Fitzgerald, and L. Morgan, Assessing the Role of Open Source Software in the European Secondary Software Sector: A Voice from Industry, Proceedings of the 1 st International Conference on Open Source Systems (OSS 2005), pp.82-87, 2005.

A. Aksulu and M. R. Wade, A Comprehensive Review and Synthesis of Open Source Research, Special Issue, Journal of Association for Information Systems, vol.11, issue.11, pp.576-656, 2010.

J. A. Anel, The Importance of Reviewing the Code, Communication of the ACM, pp.40-41, 2011.

C. P. Ayala, Ø. Hauge, R. Conradi, X. Franch, J. Li et al., Challenges of the Open Source Component Marketplace in the Industry, Proceedings of the 2 nd International Conference on Open Source Systems, pp.213-224, 2009.
DOI : 10.1145/948383.948387

J. Biolchini, P. G. Mian, A. C. Natali, and G. H. Travassos, Systematic Review in Software Engineering, p.5, 2005.

P. Brereton, B. Kitchenham, D. Budgen, M. Turner, and M. Khalil, Lessons from applying the systematic literature review process within the software engineering domain, Journal of Systems and Software, vol.80, issue.4, pp.571-583, 2007.
DOI : 10.1016/j.jss.2006.07.009

URL : http://doi.org/10.1016/j.jss.2006.07.009

D. Budgen, S. Charters, M. Turner, P. Brereton, B. Kitchenham et al., Investigating the applicability of the evidence-based paradigm to software engineering, Proceedings of the 2006 international workshop on Workshop on interdisciplinary software engineering research , WISER '06, 2006.
DOI : 10.1145/1137661.1137665

M. Conklin, Beyond Low-Hanging Fruit: Seeking the Next Generation in FLOSS Data Mining, Proceedings of the 2 nd International Conference on Open Source Systems, pp.47-56, 2006.
DOI : 10.1007/0-387-34226-5_5

D. Bianco, V. Lavazza, L. Morasca, S. Taibi, and D. , Quality of Open Source Software: The QualiPSo Trustworthiness Model, Proceedings of the 2 nd International Conference on Open Source Systems, pp.199-212, 2009.
DOI : 10.1109/ICSEA.2007.19

T. Dybå and T. Dingsøyr, Applying Systematic Reviews to Diverse Study Types: An Experience Report, First International Symposium on Empirical Software Engineering and Measurement (ESEM 2007), 2007.
DOI : 10.1109/ESEM.2007.59

T. Dybå, B. Kitchenham, and M. Jorgensen, Evidence-based software engineering for practitioners, IEEE Software, vol.22, issue.1, pp.58-65, 2005.
DOI : 10.1109/MS.2005.6

J. Feller and B. Fitzgerald, Understanding Open Source Development, 2001.

Y. Gao and R. G. Madey, Network Analysis of the SourceForge.net Community, Proceedings of the 3 rd International Conference on Open Source Systems, pp.187-200, 2007.
DOI : 10.1007/978-0-387-72486-7_15

L. Gasser and W. Scacchi, Towards a Global Research Infrastructure for Multidisciplinary Study of Free/Open Source Software Development, Proceedings of the 4 th International Conference on Open Source Systems, pp.143-158, 2008.
DOI : 10.1007/978-0-387-09684-1_12

Ø. Hauge, C. P. Ayala, and R. Conradi, Adoption of open source software in software-intensive organizations ??? A systematic literature review, Information and Software Technology, vol.52, issue.11, pp.1133-1154, 2010.
DOI : 10.1016/j.infsof.2010.05.008

Ø. Hauge, D. Cruzes, R. Conradi, K. Sandanger-velle, and T. A. Skarpenes, Risks and Risk Mitigation in Open Source Software Adoption: Bridging the Gap between Literature and Practice, Proceedings of the 6 th International Conference on Open Source Systems, pp.105-118, 2010.
DOI : 10.1007/978-3-642-13244-5_9

URL : https://hal.archives-ouvertes.fr/hal-01056020

Ø. Hauge and S. Ziemer, Providing Commercial Open Source Software: Lessons Learned, Proceedings of the 2 nd International Conference on Open Source Systems, pp.70-82, 2009.
DOI : 10.1109/SITIS.2008.99

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.218.5052

Ø. Hauge, C. Sørensen, and R. Conradi, Adoption of Open Source in the Software Industry, Proceedings of the 4 th International Conference on Open Source Systems, pp.211-221, 2008.
DOI : 10.1007/978-0-387-09684-1_17

Ø. Hauge, C. Sørensen, and A. Røsdal, Surveying Industrial Roles in Open Source Software Development, Proceedings of the 3 rd International Conference on Open Source Systems, pp.259-264, 2007.
DOI : 10.1007/978-0-387-72486-7_25

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.101.1557

J. Howison, K. Inoue, and K. Crowston, Social dynamics of free and open source team communications, Proceedings of the 2 nd International Conference on Open Source Systems, pp.319-330, 2006.
DOI : 10.1007/0-387-34226-5_32

J. Howison, M. Conklin, and K. Crowston, OSSmole: A collaborative repository for FLOSS research data and analyses, Proceedings of the 1 st International Conference on Open Source Systems (OSS 2005), pp.54-60, 2005.

B. Kitchenham, What???s up with software metrics? ??? A preliminary mapping study, Journal of Systems and Software, vol.83, issue.1, pp.37-51, 2010.
DOI : 10.1016/j.jss.2009.06.041

B. Kitchenham, O. P. Brereton, D. Budgen, M. Turner, J. Bailey et al., Systematic literature reviews in software engineering ? A systematic literature review, Information and Software Technology¸volTechnology¸vol, pp.7-15, 2009.
DOI : 10.1016/j.infsof.2008.09.009

B. Kitchenham and S. Charters, Guidelines for Performing Systematic Literature Reviews in Software Engineering, 2007.

B. Kitchenham, Procedures for Performing Systematic Reviews, 2004.

S. Koch, Evolution of Open Source Software Systems ? A Large-Scale Investigation, Proceedings of the 1 st International Conference on Open Source Systems (OSS 2005), pp.148-153, 2005.

C. K. Kyo, FODA: Twenty years of Perspectives on feature Models, Keynote at 13th International Product Line Conference, 2009.

K. Petersen, R. Feldt, S. Mujtaba, and M. Mattsson, Systematic mapping studies in software engineering, Proceedings of the 12th International Conference on Evaluation and Assessment in Software Engineering, pp.71-80, 2008.

G. Robles, G. Barahona, J. M. Michlmayr, and M. , Evolution of Volunteer Participation in Libre Software Projects: Evidence from Debian, Proceedings of the 1 st International Conference on Open Source Systems (OSS 2005), pp.100-107, 2005.

B. Rossi, M. Scotto, A. Sillitti, and G. Succi, Criteria for the non invasive transition to OpenOffice, Proceedings of the 1 st International Conference on Open Source Systems (OSS 2005), pp.250-253, 2005.

G. L. Simmons and T. S. Dillon, Towards an Ontology for Open Source Software Development, Proceedings of the 2 nd International Conference on Open Source Systems, pp.65-75, 2006.
DOI : 10.1007/0-387-34226-5_7

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.464.6252

P. Sirkkala, T. Aaltonen, and I. Hammouda, Opening Industrial Software: Planting an Onion, Proceedings of the 2 nd International Conference on Open Source Systems, pp.57-69, 2009.
DOI : 10.1007/978-0-387-09684-1_4

M. Staples and M. Niazi, Experiences using systematic review guidelines, Journal of Systems and Software, vol.80, issue.9, pp.1425-1437, 2007.
DOI : 10.1016/j.jss.2006.09.046

K. Stol, A. Babar, and M. , A Comparison Framework for Open Source Software Evaluation Methods, Proceedings of the 6 th International Conference on Open Source Systems, pp.389-394, 2010.
DOI : 10.1007/978-3-642-13244-5_36

URL : https://hal.archives-ouvertes.fr/hal-01056036

K. Stol, A. Babar, and M. , Reporting Empirical Research in Open Source Software: The State of Practice, proceedings of the 5th International Conference on Open Source Systems, 2009.
DOI : 10.1016/S0950-5849(96)01139-1

K. J. Stol, M. Ali-babar, B. Russo, and B. Fitzgerald, The use of empirical methods in Open Source Software research: Facts, trends and future directions, ICSE Workshop on Emerging Trends in Free, Libre/Open Source Software Research and Development, pp.19-24, 2009.

D. Taibi, L. Lavazza, and S. Morasca, OpenBQR: a framework for the assessment of OSS, Proceedings of the 3 rd International Conference on Open Source Systems, pp.173-186, 2007.
DOI : 10.1007/978-0-387-72486-7_14

K. Ven and J. Verelst, The Organizational Adoption of Open Source Server Software by Belgian Organizations, Proceedings of the 2 nd International Conference on Open Source Systems, pp.111-122, 2006.
DOI : 10.1007/0-387-34226-5_11