Research on Rights Expression Language Model for Learning Resources and Its Implementation Mechanism
学习资源权利描述模型及执行策略研究*

Digital rights management plays an important role in development,application,share and reuse of learning resources.This paper firstly provides for rights expression model for learning resource,defines the basic structure of license for learning resources,and describes license by XML.In addition,the paper probes into strategies of rights usage control for lear-ning resources,and realizes rights control module.