Acta Scientiarum Naturalium Universitatis Pekinensis

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An Estimation of the Growth of Chinese Web Pages

LI Xiaoming   

  1. Department of Computer Science and Technology, Peking University, Beijing, 100871
  • Received:2002-05-07 Online:2003-05-20 Published:2003-05-20



  1. 北京大学计算机科学技术系,北京,100871

Abstract: It is presented that a model for estimating number of previously existing web pages in terms of last-modify-time attribute of HTTP response header. In particular, this model has been used to estimate the growth of Chinese web pages since 1995. The result strongly supports the common sense that the Web is exponentially growing in terms of annual statistics.

Key words: World Wide Web, Internet, Web pages, Web dynamics

摘要: 根据北大天网系统在2002年初的一次网页搜集结果,特别是当前仍然存在网上但“最后修改时间”不是2002年网页的数量,本文提出了一种估计过去网页数量的模型,并据此对中国自从1995年以来的静态网页数以年为时间单位进行了估计,从而得到了一个增长曲线,在一定的理论意义上验证了人们常说的“网上信息爆炸性增长”的特性。

关键词: 互联网, 因特网, 网页, 网络动力学

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