摘要
相关反馈技术是近年来信息检索技术研究的热点。本文首先介绍了传统信息检索技术的原理和存在的问题 ;接着概述了相关反馈技术的原理与过程 ;随后介绍词条及其权值算法并应用到相关反馈技术中去 ,提高信息检索的效果 ;
Relevance feedback is a highlighted topic of information retrieval in recent years.In this paper,first the principle and existing questions in the traditional information retrieval are introduced.Then the architecture and characteristic of information retrieval using relevance feedback are reviewed.The following analyzes the keyword and weight algorithms and applies it into information retrieval.At last results of the algorithms are evaluated.
出处
《情报学报》
CSSCI
北大核心
2002年第6期668-673,共6页
Journal of the China Society for Scientific and Technical Information
基金
国家自然科学基金资助 (No.6 0 0 730 30 )
教育部科学技术研究重点项目资助
