I agree. The 100% is the money they say they made. You get your share, be it 15% as non-exclusive or 25-45% as exclusive. Your part is calculated (before your percentage) as 50% of the files having been used for the dataset and the other 50% as the weighted factor of how many files you have licensed of those files during that year.
Yes, that's nice and simple and fits what we already get by contract. 15% of the total that IS takes in. But you know that someone will read the 50% and 50% and somehow imagine that we are getting 100% of something, which is impossible. IS gets paid 100% from the licensing for training, we get 15% of that number.