知识检索与信息检索的检索效率比较  

Comparison of Retrieval Efficiency between Knowledge Retrieval and Information Retrieval

作　　者：张自然[1] 金燕[2] 

机构地区：[1]武汉大学信息资源研究中心,湖北武汉430072 [2]武汉大学信息管理学院,湖北武汉430072

出　　处：《情报科学》2005年第4期590-593,共4页Information Science

摘　　要：本文在对知识检索与信息检索的检索机制分析的基础上,对知识检索与信息检索的检全率、检准率进行了比较,认为知识检索的检索效率优于传统信息检索,同时对影响知识检索效率的因素进行了讨论,指出信息检索要向知识检索过渡和发展,并针对目前网络检索的现状,提出了一些改进措施。Based on the analysis on the retrieval mechanism of knowledge retrieval and information retrieval,this article compared the precision ratio and recall ratio of knowledge retrieval with those of information retrieval.The author considered that the retrieval efficiency of knowledge retrieval was better than information retrieval.The article also discussed the factors influenced the knowledge retrieval efficiency,pointed out that information retrieval should transit to knowledge retrieval,proposed the improving method..

关 键 词：知识检索 检索效率 检全率 检准率 

分 类 号：G354[文化科学—情报学]