摘要
为系统、全面地掌握数字版权保护技术研究现状,以1945—2011年SCI为数据源,借助CiteSpaceII和Excel软件对相关研究论文的时间分布、空间分布进行分析,并重点论述公钥密码技术、量子密码技术、光学加密技术三大DRM主流技术领域。
In order to follow research situation of foreign DRM technology the published articles on DRM during 1945 - 2011, which are recorded in the database of SSCI, are chosen to analyze in the paper. By applying CiteSpacelI and Excel, time distribution , space distribution are also analyzed. Meanwhile, three major technology area of DRM like public key cryptography, quantum cryptography and optical encryption technologies are analyzed.
出处
《科技管理研究》
CSSCI
北大核心
2014年第6期133-137,共5页
Science and Technology Management Research
