| Teaching resources construction is not only the basis of education informatization but also a systematic project needing long-term construction. Curriculum resources are the important constitution of teaching resources. It is indispensable to construct the standardized curriculum resources with high reusability and operability to education informatization.Through the research and analysis on curriculum group structure, learning object technology, learning design standard, XML technology, realm corpus and framework of RDF resources description, a framework of curriculum group construction is put forward. In this framework, the concept of learning object is introduced, each layer is regarded as learning object, and the bottom knowledge points are defined as the minimum learing objects which include 40±5 minutes learning contents, and the other layers are defined as composite learning objects which try to improve the reusability and mutual operability of curriculum group knowledge through the characteristics of learning objects and which try to combine teaching contents and teaching methods through learning design in order to improve the teaching function of learning objects.Adopting such technologies as learning object, learning design standard and realm corpus, curriculum group framework uses XML grammar to represent curriculum group knowledge into common text file with standard structure to meet the construction requirement of curriculum group with high reusability, great mutual operability, strong relevance and easy innovation and organization.This paper introduces the concepts of curriculum and curriculum group, the design idea of ICAI system, and presents two experiments and illustrations of practical curriculum group framework. The experiments show that the framework provided in the paper is practical and effective, which provides beneficial reference for the functional design and development of intelligent assisted teaching system. |
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