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Table 1 Number of occurrences and types of intellectual property interventions

From: Changes in free and open source software licenses: managerial interventions and variations on project attractiveness

   Count of license type interventions in sample
From\To Description A B C D E F G Sum Ranking
A None (or “other”). 0 22 2 13 3 47 1 88 5
B Non-Restrictive and Relicensable (e.g., Public Domain or MIT). 8 0 7 20 16 31 45 127 4
C Academic Free License-AFL (Non-Restrictive and Relicensable). 2 5 0 0 0 7 0 14 7
D Restrictive and Non-Relicensable (e.g., GNU Lesser General Public License-LGPL). 6 34 0 0 21 67 6 134 3
E Restrictive and Relicensable (e.g., Mozilla Public License-MPL). 3 19 0 12 0 7 8 49 6
F Restrictive, Highly Restrictive and Non-Relicensable (e.g., GNU General Public License-GPL). 36 81 3 137 5 0 155 417 1
G Restrictive, Highly Restrictive and Relicensable (e.g., dual licensed: GPL and Apache). 0 32 0 6 6 139 0 183 2
Sum   55 193 12 188 51 298 215 1012  
Rank   5 3 7 4 6 1 2   
  1. Source: author’s own