摘要
本文以文献计量学、科学计量学、信息计量学、网络计量学相关信息在网络中分布情况为例,将网站单元与期刊单元类比,网页单元与期刊论文单元类比,发现在网络环境下,布拉福德等级排序中低位次的网站数量明显增多,核心区及中等位次的网站相对减少,即存在网络学术信息更加分散、信息集中度减弱的学术信息分布现象。
The paper made a example of the document metrology, science metrology, information metrology and network metrology correlative information in the network distfibut condition, compare the website unit and journal unit, compare the webpage unit and journal paper unit, trader the network environment, it find the quantify of low orders website obvious inereasing in the Bradford grade sequencing, the website of the core area and medium orders have redueed, namely exsiting the academic information distribute phenomenon of the network academic information fuvther scatter and infomlatin concentrate weak.
出处
《现代情报》
北大核心
2006年第2期45-48,共4页
Journal of Modern Information
关键词
布拉德福定律
学术信息
分布规律
Bradford law
academic information
distribution law