I. Gat, T. Remencius, A. Sillitti, G. Succi, and J. Vlasenko, API Economy: Playing the Devil's Advocate, Cutter IT Journal, vol.26, issue.9, pp.6-11, 2013.

I. Gat and G. Succi, A Survey of the API Economy, Cutter Consortium Agile Product & Project Management Executive Update, 2013.

J. Clark, C. Clarke, S. De-panfilis, G. Granatella, P. Predonzani et al., Selecting components in large COTS repositories, Journal of Systems and Software, vol.73, issue.2, pp.323-331, 2004.
DOI : 10.1016/j.jss.2003.09.019

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.108.6181

T. Remencius and G. Succi, Tailoring ITIL for the Management of APIs, Cutter IT Journal, vol.26, issue.9, pp.22-29, 2013.

R. T. Fielding, Architectural styles and the design of network-based software architectures, 2000.

M. Scotto, A. Sillitti, G. Succi, and T. Vernazza, A relational approach to software metrics, Proceedings of the 2004 ACM symposium on Applied computing , SAC '04, pp.1536-1540, 2004.
DOI : 10.1145/967900.968207

M. Scotto, A. Sillitti, G. Succi, and T. Vernazza, A non-invasive approach to product metrics collection, Journal of Systems Architecture, vol.52, issue.11, pp.668-675, 2006.
DOI : 10.1016/j.sysarc.2006.06.010

P. Bille, A survey on tree edit distance and related problems, Theoretical Computer Science, vol.337, issue.1-3, pp.217-239, 2005.
DOI : 10.1016/j.tcs.2004.12.030