【摘要】 在微机辅助文献标引系统中引入了自动标引方法 ,进一步提高了标引的速度和质量。自动标引的基本思想是 :以机内主题词典为依据 ,采用遍历扫描和相似性匹配两种方法 ,从标题和文摘中抽词 ,本文介绍了这一自动标引技术 ,并对自动标引的结果进行了分析和讨论。更多还原

【Abstract】 In the computer aided indexing system for the CCDOC (Chinese Chemical Document)database,we introduced an automatic indexing method,in order to further increase the speed and the quality of indexing.The main idea of the method is discussed in this paper.It depends on the thesaurus of the CCDOC database,and has two procedures,one is traversing scan,the other is likeness match.We extract indexing words from titles and abstracts.Finally,The results are analyzed and its further development is predicted.更多还原