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鉴于传统引文索引数据库的局限性,借鉴相关研究的做法,尝试利用Google Scholar抽样调查中文网络灰色文献的分布特征。验证这一工具可用性的同时,发现样本中灰色文献的整体开发利用水平不高,体现在:1研究和管理机构偏少;2灰色文献所占比例(或者说可见性)偏低;3样本灰色文献的半衰期与常规文献差别不大;4灰色文献来源机构单一。样本所得结论的适用范围还有待进一步研究验证。
In view of the limitations of the traditional citation index database, draw lessons from the relevant research methods, try to use Google Scholar sample survey Chinese network gray literature distribution characteristics. While verifying the usability of this tool, we found that the overall level of development and utilization of gray literature in the sample is not high, as follows: 1 few research and management agencies; 2 low percentage of gray literature (or visibility); 3 gray samples The half-life of the literature is not significantly different from that of the conventional literature; 4 The source of gray literature is single. The scope of application of the conclusions of the sample remains to be further verified.