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“键词”亦称“关键词”,是检索语言中在国外近年来发展速度较快的一种。目前,国内“键词”的应用刚刚开始,相信随着计算机在我国情报检索中的普遍应用,“键词”在我国文献检索中的地位定会得到较大提高。一、什么是“键词”1.定义“键词”是表示文献关键内容的未经规范处理的主题词。1984年7月中国科学技术情报学会检索分委员会的检索常用术语研讨会建议把“键词”定为规范术语。“键词”按其选取来源分为“题内键词”和“文内键词”(亦称“题外键词”)两种。“题内键词”就是从文献题名中直接选取的关键名词术语;“文内
“Key words” also known as “key words” is a kind of rapid development of retrieval languages in foreign countries in recent years. At present, the application of “key words” in China has just begun, and it is believed that with the universal application of computers in information retrieval in our country, the position of “key words” in our country’s literature retrieval will be greatly enhanced. First, what is the “key words” 1. Definition “Key words” is the main content of the literature that does not regulate the key words. July 1984 Chinese Academy of Sciences and Technology Information Search Subcommittee search common terminology The workshop suggested that the “key words” as a standardized terminology. The “key words” are divided into two types according to their selected sources, such as “key words” and “inner key words” (also known as “key words”). The title of the key words “is the key terms directly selected from the title of the literature;” text