Recent efforts in the area of learning technology have resulted in a considerable improvement in the interoperability of digital education resources. On the basis of sharing and integration of digital educational resources, knowledge Processing and service considers the Semantic knowledge extraction of metadata of educational resources, Construction ontology for educational resources, and combining the users personality characteristics, providing semantic-based personalized retrieval and

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... y services. In this paper, we work out the architecture of knowledge processing and service system for digital education then discuss the semantic representation of digital education resources, semantic mining and discovery of digital education resources and personalized knowledge delivery service.