摘要
检索词的选择恰当与否直接影响到检索的查全率与查准率。对检索用词的选取规律与方法进行了探讨。
The choice of the search words has direct influence on the recall factor and pertinency ratio. This paper probes into the regulations and methods of the choice of the search words.
出处
《科技情报开发与经济》
2006年第4期66-67,共2页
Sci-Tech Information Development & Economy
关键词
检索词
计算机检索
查全率
查准率
search words
computer search
recall factor
pertinency ratio
