It is indispensable for the digital library to manage the virtual patrons with authentication and authorization and to probe the laws of their access to and use of digital resources.
认为数字图书馆有必要通过用户认证和访问授权的机制对虚拟用户进行管理，并研究他们访问和利用数字资源的规律。
This paper puts forward the concept of virtual patrons of the digital library and analyzes their characteristics in utilizing the information resources.
文章提出了数字图书馆的虚拟用户概念，分析了虚拟用户利用信息资源的特点。
Virtual library is a very efficient way to organize Internet resources.
虚拟图书馆是因特网信息资源的有效组织形式。
Having the advantage of managing resources, a library should take measures to set up its own search engine, virtual library, digital library and other ways to organize network information.
图书馆利用自己在管理资源方面的优势，采取了筹建自己的搜索引擎，创建虚拟图书馆，建设数字图书馆等方式对网络信息资源进行管理。
Compound library collections include material collections and virtual collections. Their organic integration is the main contents of a compound library in information resources developments.
复合图书馆时期的馆藏信息资源包括实体馆藏和虚拟馆藏，实体馆藏与虚拟馆藏的有机整合是复合图书馆馆藏信息资源建设的主要内容。
The paper discusses in detail how to reasonably construct the library information resources in the network environment, analyzes the relationships between the real and the virtual collections.
通过对现实馆藏与虚拟馆藏的相互关系及其各组成部分的分析，探讨在网络环境下，应如何合理地建设图书馆信息资源。
INFOMINE is a virtual library of Internet resources relevant to faculty, students, and research staff at the university level.
INFOMINE是一个在大学水平上和大学的教授、学生和研究人员相关的网络资源的虚拟图书馆。
The author analyze the library information resources consist of traditional real document resources and virtual collections in the network environment and propose strategies.
本文分析了网络环境中。传统的现实文献资源和虚拟馆藏一同构成图书馆的信息资源，提出了图书馆信息资源建设应采取的策略。
Users who have different authorities can manage, retrieval, query, analyse and apply the resources of library in a virtual environment. Readers can easily query spatial position through the...
系统支持具有不同使用权限的使用者在虚拟环境中实现馆藏资源的管理、检索、查询、分析和应用功能，读者可以方便地进行空间数据和属性数据的双向查询。
Users who have different authorities can manage, retrieval, query, analyse and apply the resources of library in a virtual environment. Readers can easily query spatial position through the...
系统支持具有不同使用权限的使用者在虚拟环境中实现馆藏资源的管理、检索、查询、分析和应用功能，读者可以方便地进行空间数据和属性数据的双向查询。
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