不同数据库的博士论文收录差异分析

The Difference Analysis of Doctoral Dissertation Collection among Different Databases

博士论文具有非常重要的学术参考价值,是科学研究的首选文献之一。比较、分析中国知网、万方和中国国家图书馆博士论文收录的情况,指出三个数据库收录各高校博士论文的数量、起始时间和近5年的年文献量方面均存在着很大差异,并为读者获取博士论文提出可借鉴性建议。

Doctoral dissertation is of great academic value,which is one of the required hterature for scientific research.This paper compared and analyzed the doctoral dissertation collection between CNKI,WANFANG DATA and National Library of China,and pointed out that there were great differences in quantity,starting time and the number per year of the last 5 years among them,and then put forward some useful suggestions for readers to get doctoral dissertation.