This paper introduces us the full-text search engine based on Lucene and full-text retrieval technology, including indexing and system architecture, compares the full-text search of Lucene with the String search retri...This paper introduces us the full-text search engine based on Lucene and full-text retrieval technology, including indexing and system architecture, compares the full-text search of Lucene with the String search retrieval’s response time, the experimental results show that the full text search of Lucene has faster retrieval speed.展开更多
本文从ISI Web of Knowledge入手引出ISI Web of Science数据库,在简述ISI Web of Science这个多学科综合性学术期刊数据库的特点及其优越性的基础上;逐一介绍此数据库的检索系统所提供的快速检索、普通检索、被引文献检索、化学结构检...本文从ISI Web of Knowledge入手引出ISI Web of Science数据库,在简述ISI Web of Science这个多学科综合性学术期刊数据库的特点及其优越性的基础上;逐一介绍此数据库的检索系统所提供的快速检索、普通检索、被引文献检索、化学结构检索、高级检索等检索方法;以及检索方法的具体应用和检索结果的处理。展开更多
A scheme for designing a voice Website based intelligent WWW information retrieval system is presented.It provides convenient and rapid information retrieval service for more users.Combining the advantages of full tex...A scheme for designing a voice Website based intelligent WWW information retrieval system is presented.It provides convenient and rapid information retrieval service for more users.Combining the advantages of full text retrieval and intelligent retrieval,it can improve the response speed,recall ratio and pertinency ratio.Meanwhile,by using ASR,TTS and natural language processing,it can enlarge the scale of Internet users.展开更多
文摘This paper introduces us the full-text search engine based on Lucene and full-text retrieval technology, including indexing and system architecture, compares the full-text search of Lucene with the String search retrieval’s response time, the experimental results show that the full text search of Lucene has faster retrieval speed.
文摘本文从ISI Web of Knowledge入手引出ISI Web of Science数据库,在简述ISI Web of Science这个多学科综合性学术期刊数据库的特点及其优越性的基础上;逐一介绍此数据库的检索系统所提供的快速检索、普通检索、被引文献检索、化学结构检索、高级检索等检索方法;以及检索方法的具体应用和检索结果的处理。
文摘A scheme for designing a voice Website based intelligent WWW information retrieval system is presented.It provides convenient and rapid information retrieval service for more users.Combining the advantages of full text retrieval and intelligent retrieval,it can improve the response speed,recall ratio and pertinency ratio.Meanwhile,by using ASR,TTS and natural language processing,it can enlarge the scale of Internet users.