The development of learning support systems suffers from a piecemeal process. In this sense, a model-based instructional system development environment was proposed and different models, task and domain, are identified as independent models. We identified a minimal set of models for e-Learning development in a systematic and, platform independent way.
In this chapter our interest has focused on two models: task and domain. Both models are considered essential for the generation aspire to automatically and semi-automatic e-Learning systems.
In order to specify e-Learning task models we identified many shortcomings in traditionally task proposals. A different manner to specify task in an e-Learning system is possible, but it must to have important features. These features were reviewed in this chapter and, finally, a Gantt chart-inspired is proposed as suitable for task model.
Another important and platform-independent model for e-Learning development is the domain model. In this model learning object are managed. In this chapter task and domain models are presented, analysed and described in an integrated and seamless way.
On the other hand, as a future work, the consideration of the adaptation capabilities of the e-
learning system produced, in such a way that it will be adapta ble to the distinct user needs and capabilities would be very desirable. It would require one key aspect that was left apart in the thesis: user modelling. This aspect was left apart since it clearly deserves a whole thesis just working on this topic.
Another goal is to provide a visual development tool that supports the edition of every model involved in an easy and visual manner, by using our previous experience in the development of similar tools such as IdealXML (Montero F. , 2005).
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