• 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开发情况。

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  • 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.

    阐述全文检索系统原理分析基于字结构索引组织方法索引建立

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  • 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单汉字、词索引机制空间时间、检索效率等方面进行比较分析

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  • 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SDOS全文电子期刊数据库,介绍了其检索技术、检索方法检索结果保存方式

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  • 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SDOS全文电子期刊数据库,介绍了其检索技术、检索方法检索结果保存方式

    youdao

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