摘要
本文对倒排索引技术进行研究和分析，采用改进的TFIDF权重计算公式，并在检索系统引入了分布式多线程技术、缓存cache技术。实验表明，信息检索的准确性和检索速度有了很大的提高。
The paper gave research and analysis on the inverted index technology and adopted the improved TFIDF weighting formula in order to improve the accuracy of retrieval explained;introduced a distributed multi-threading technology, cache technology in the retrieval system.Experimental results show that,the information retrieval and the accuracy of retrieval speed has been greatly improved.
出处
《计算机光盘软件与应用》
2011年第22期14-14,16,共2页
Computer CD Software and Application
关键词
倒排索引
信息检索
分布式多线程
Inverted index
Information Searching Technology
Distributed multithreaded
