License proliferationAn extremely naive quantitative analysisbased on FLOSSMOLE dataApril 4th, 2013Walter van Holstw.email@example.comIndependent IT consultancy through its combination of technical, business and legal expertise
License proliferation In 2009 Mitopics sponsored a Master’s thesis onlicense proliferation Qualitative analysis Contradictory results Time for a quantitative follow-up Little data available in 2009
Freecode dataset Published since about 2005 Jump in quality around 2009
License proliferation measurements What is license proliferation? The distribution of licenses across licenses? Or just a compatibility problem? And is one-way compatibility enough?
How do we value compatibility Extremely naively: Treat open source projects as nodes of a network Consider any combination as a desirable one Treat any combination as of equal value asothers Metcalfe’s law: n*(n-1)/2