数字权限描述语言及其比较研究
王爱华 孙世兵 朱本军
(北京大学 教育学院,北京 100871)
【摘要】本文在对几种数字权限描述语言如XrML(Extensible Rights Markup Language,可扩展权限标记语言)、ODRL(Open Digital Right Language, 开放的数字权限语言)、MPEG-21 REL(MPEG-21的第五部分——数字权限描述语言)、OMA(Open Mobile Alliance) DRM-REL、OeBF(Open e-Book Forum) REL进行了介绍,对ODRL和MPEG-21 RE进行了对比分析,提出教育领域内的数字权限描述语言应该简洁易用、易扩展。
【关键词】数字权限描述语言(DREL); 数字权限; 数字权限管理
【中图分类号】TP393【文献标识码】A
【文章编号】1007-2179(2005)04-0077-05
The Comparative Study on Digital Right Expression Language
WANG Aihua ,SUN Shibing &ZHU Benjun
(Graduate School of Education, Peking University,Beijing 100871,China)
Abstract: The paper introduces several Digital Right Expression Language (DREL), such as XrML(Extensible Rights Markup Language)、ODRL(Open Digital Right Language)、MPEG21 REL、OMA(Open Mobile Alliance)DRMREL、OeBF(Open eBook Forum) REL. Also, the paper compares the ODRL and MPEG21 REL from several aspects. It puts forward that DREL for education must be concise, easy to apply, and extensible.
Key words: digital right expression language; digital right; digital right management
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