The development of a full text retrieval database system for SINOPEC scientific and technical periodicals is introduced.
介绍中国石油化工集团公司科技期刊全文检索数据库系统的开发情况。
This article describes the principle of full text retrieval system, analysis of word-based index of the table structure methods and the establishment of the index database.
阐述了全文检索系统的原理，分析了基于字表结构的索引组织方法和索引库的建立。
A quantitative study for two kinds of indexing mechanism of the Chinese full-text database is given, based on the quantitative analysis of capacity, time, retrieval efficiency.
本文从定量方面就汉字全文数据库的单汉字、词索引两种机制在空间、时间、检索效率等方面进行比较分析。
This paper introduces the characteristics of full-text electronic periodicals database SDOS. The retrieval skills, methods and how to save the search results are discussed.
概述了SDOS全文电子期刊数据库，介绍了其检索技术、检索方法和检索结果的保存方式。
This paper introduces the characteristics of full-text electronic periodicals database SDOS. The retrieval skills, methods and how to save the search results are discussed.
概述了SDOS全文电子期刊数据库，介绍了其检索技术、检索方法和检索结果的保存方式。
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