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一、问题的提出在世界文献数据库的建设中,科学引文索引(SCI)独树一帜。这种索引,根据科学论文之间的引证关系,以被引文的著者作为索引词,用计算机编排,不仅提供了一种新颖的检索工具和研究工具,而且使美国科学情报研究所一跃成为编制和研究该索引的中心。据报道,目前 SCI 已收录世界各国科技期刊达3600种,年报道量50万篇引文、700万篇被引文,并已并入美国的 Dialog 系统。其印刷版、磁带版和光盘产品及服务遍及各国。但是 SCI 毕竟是
First, the question raised In the construction of the world literature database, the scientific citation index (SCI) is unique. This index, based on citation relationships among scientific papers and citations by citation authors, is not only provided with a novel search tool and research tool, but also with the American Institute of Scientific Intelligence, And study the center of the index. It is reported that at present, SCI has collected 3,600 kinds of scientific and technological journals from all over the world, with annual reports of 500,000 citations and 7 million citations, and has been incorporated into the Dialog system in the United States. Its printing plate, tape version and CD products and services all over the world. But after all, SCI is