“…Finally, the IMS-LD model and their transformation into an IMS-LD model based on the ATL language. However, we design our model without using the transformation based on the rules of the ATL language, because we detected the same problems as in this works [10,20,23,11,22,24,25,26,4]. In IMS-LD, we do not have the possibility of building a course, which consists of several chapters; because, there is at this level a semantic loss.…”