【摘要】 介绍了Dialog联机检索系统的信息资源分类、数据库扫描以及逻辑算符、通配符、位置算符等指令的使用技巧,并将其引入文献检索课程中,以帮助学生构建合理的检索策略、根据Dialog的扫描结果充分利用馆藏资源或免费网上资源获取相关的文献信息,提高学生的信息素质。更多还原

【Abstract】 In order to improve students′ information literacy,this paper introduced the database features,scanning process and the use of Boolean logic operators,wildcard characters and proximity operators in Dialog system,and introduced the Dialog into literature retrieval course to help students construct suitable searching strategies and acquire literatures from library resources or free web-based document resources according to Dialog scanning results.更多还原