The kernel of the digital rights management is digital rights expression model.
数字权限管理的核心是数字权限描述模型。
Firstlty, the paper brings out license model of usage of learning resources by integrating learning object metadata specifiction with rights expression language.
本文首先通过权利信息描述和资源的元数据描述的整合提出了教育资源的数字权利许可证基本模型。
Firstlty, the paper brings out license model of usage of learning resources by integrating learning object metadata specifiction with rights expression language.
本文首先通过权利信息描述和资源的元数据描述的整合提出了教育资源的数字权利许可证基本模型。
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