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- W1562371570 abstract "Specifications and standards for e-learning are becoming increasingly sophisticated and complex as they deal with the core of the learning process. Simple transformations are no longer adequate to successfully implement these latest specifications and standards for e-learning. IMS Learning Design (LD) (IMSLD-IM, 2003) is a representative of such a new specification in the field of elearning. Its declarative nature, expressiveness and scope increase the complexity for any implementation. This probably is the largest hurdle that stands in the way of successful general deployment of this type of specification. This article describes how an engine for interpreting LD can be designed as a collection of finite state machines (FSMs). An FSM is a computational model where a system is described through a finite number of states and their transition functions that map the change from one state to another. In the case of LD each state can be seen as constructed from a set of properties which can either be declared explicitly in LD or implicitly by the engine. State transitions are implemented through a mechanism of events and event handlers, completing the finite state machine. By reusing certain type of properties across FSMs it is possible to create an automatic propagation mechanism taking care of group dynamics without the need for any additional efforts. With the FSMs in place, personalization, one of the key features of LD, becomes a simple task. By combining the principles presented in the article, it becomes clear that an elegant design becomes feasible. This is demonstrated in the first actual implementation called CopperCore (Martens, Vogten, Van Rosmalen, & Koper, 2004)." @default.
- W1562371570 created "2016-06-24" @default.
- W1562371570 creator A5058169786 @default.
- W1562371570 date "2008-11-10" @default.
- W1562371570 modified "2023-09-26" @default.
- W1562371570 title "Design and Implementation Strategies for IMS Learning Design" @default.
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