中文摘要：

首先结合网络的原本特性和实际情况确定了基本研究假设,在这一前提下基于网络维力理论分别从节点时差和信息价值两方面分析了信息扩散的时效特性,并在此基础上提出了信息新度的概念综合反映网络信息扩散的时效。在上述基础了建立了信息新度模型,最后基于实际网站点击量数据对信息新度模型进行了模拟,证实了该模型的有效性。

英文摘要：

Firstly,basic hypotheses were determined according to network original characteristics and realistic status.Then,based on network dimension-force theory,time effectiveness of network information diffusion was analyzed around node time difference and information value.After that,the concept of information newness degree was brought forward to reflect time effectiveness of network information diffusion comprehensively,and the model of information newness degree was determined.At last,this model was simulated based on real click-through data of one website,which proved the effectiveness of this model.