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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 anddoi:10.1007/978-0-387-75466-6_57 dblp:conf/i3e/LiW07 fatcat:vuv7lompe5gdnlnp6vopf2evly