数字教育资源的长期可用性研究

Research on Long –Term Availability of Digital Educational Resources

现代教育技术的发展推动了教育资源的数字化进程。我国的数字教育资源建设已经进入快速发展期，有必要对其可用性进行综合分析与评价，以更有效地发挥数字教育资源的作用。根据数字教育资源的信息化特征，结合信息生命周期理论，对数字教育资源的长期可用性内涵进行了探索，分析了影响数字教育资源长期可用性的因素，并从多角度对提高数字教育资源长期可用性的方法进行了研究。

The development of Modern Educational Technology has greatly promoted the process of the educational resources. The construction of digital educational resources has entered a rapid development period in China. It is very necessary to give a comprehensive analysis and evaluation to the availability of digital educational resources for the purpose of making full use of digital educational resources. This paper discusses the connotation of long-term availability of digital educational resources based on the characters of digital educational resources and the theory of Information lifecycle. This paper also analyzes the factors which affect the long-term availability of digital educational resources and presents several methods of enhancing the long-term availability of digital educational resources.