8. The method of claim 5 , wherein the descriptor comprises a first descriptor, and the information atoms further comprise a group of one or more second descriptors, the method further comprising: obtaining fifth relationships between the first descriptor and the group of second descriptors; and wherein predicting a second set of differences comprises predicting a second set of differences for the first descriptor, based on the fifth set of relationships and the third and fourth sets of relationships associated with the group of second descriptors.
5. The method of claim 4 , wherein the set of differences comprises a first set of differences, the method comprising: obtaining a third set of information atoms; computing a fourth set of relationships between the second and third sets of information atoms; predicting a second set of differences related to the descriptor, based on the third and fourth sets of relationships; and outputting a difference from the second set of differences.