Modeling and design of learning content management systems: UML as a tool for learning system design

Problems in advanced e-learning like development and delivery of dynamic flexible reusable and adaptive learning content are discussed in the paper. It is proposed an extended learning content model which purpose is to demonstrate how required flexibility can be achieved and it is offered a detailed description of design process of learning system that supports management and delivery of reusable and adaptive learning content. For this purpose advantages of UML as modeling tool for design of learning systems are discussed in the paper and elements of different types of diagrams and their implementation in the process of systems design are described. In the paper UML diagrams are used to show how necessary functionality of leaning system can be represented in clear and accurate manner and it is conducted overview analysis and of existing tools for development of UML diagrams. The model proposed is explained with several types of UML diagrams and a prototype of user interface is proposed that will provide required functionalities related to learning content manipulation and other activities related to leaning process like users profile management and their performance assessment.