OPAC periodical and all kinds of electronic periodical are separated in heterogeneous information system and hard to retrieve and obtain for users in traditional digital library services.

在数字图书馆信息服务中，馆藏期刊以及各种电子期刊资源分散在异构的信息系统中，不利于读者的信息检索与获取。

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In order to enhance the level of information services, the aim of digital library is the full using of literature resources during service of network.

数字图书馆的最终目标是使得文献资源在网络化的服务中得到充分利用，从而提高信息服务的水平。

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In the construction of digital library and the services for readers, the development and employment of databases is an important foundation.

数据库的开发和利用是数字图书馆建设与读者服务的重要内容和基础。

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New e-reading services, which allow readers to purchase and store books in a digital library and read them on different devices, have some of the most sophisticated reader tracking software.

WSJ: Your E-Book Is Reading You

The KAUST Library emphasizes support for "e-science" through its digital repository, web-based services, data curation, and full exploitation of the University's extraordinary IT infrastructure.

UNESCO: Global Open Access Portal