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在《汉语主题词表》和国内编制的各种专业主题词表中大多附有词族索引。词族索引又称词族表,是反映主题词属分关系的检索工具。在微机情报检索系统中充分运用词族索引能够显著提高系统的实用性,灵活地满足用户专指性检索和广泛性检索的要求,提高检索结果的查准率和查全率。机械电子工业部无锡油泵油嘴研究所在“油泵油嘴专业文献微机检索系统(YWJS)”中采用将主题词的词族代号输入计算机,建立辅助数据库的方法实现了计算机自动识别主题词族性、自动处理和提示词族关系,上位词自动登录、自动扩检和缩检等多种功能。在 YWJS 系统中主题词用代码输入,汉字输出。每个有族性关系的主题词都有一个词族
In the “Chinese Thesaurus” and the domestic preparation of various professional thesaurus in most of the attached word index. Word family index, also known as the word family table, is a retrieval tool that reflects the relationship between the subordinate keywords. Making full use of word family index in the computer information retrieval system can significantly improve the practicality of the system and flexibly meet the requirements of users’ specific and broad search, and improve the accuracy and recall of the search results. The Ministry of Machinery and Electronic Industry Wuxi Oil Pumps Research Institute in the “oil nozzle professional literature retrieval system (YWJS)” the keyword phrase code into the computer, the establishment of aided database method to achieve the computer automatically identify the theme of the word family, automatic Deal with and suggest the relationship between the word family, the upper words automatic login, automatic dilatation and shrink detection and other functions. Keyword in the YWJS system using code input, Chinese output. Each subject has a family of thesaurus