摘要
后控制是信息查询中提高检全率和检准率的关键技术。后控制词表是信息检索系统中的重要组成部分,通过大量的实例阐述了后控制词表的运行机理、知识管理、在Web系统中的应用等问题,对自然语言在各行业的使用提供了技术支持和理论规范。
Post-control is the key technology used to increase recall ratio and pertinency ratio in information inquiry. Post-controlled vocabulary is an important component part of the information retrieval system. By describing the post-controlled vocabulary＇s operating mechanism, knowledge management and applications in Web system with many examples, this artiele provides technical support and theoretical standard for the use of natural language in various professions.
出处
《情报理论与实践》
CSSCI
北大核心
2009年第9期102-104,108,共4页
Information Studies:Theory & Application
关键词
后控制词表
知识管理
语义分析
可视化
post-controlled voeabulary
knowledge management
semantic analysis
visualization
