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随着Internet的快速发展和广泛应用,网络为用户提供了空前丰富的信息资源。高校图书馆通过购买或自行开发数字资源为读者提供了参考书目数据、全文电子期刊、以及多种形式的联机资源,建立了一个融多种信息资源于一体的综合性信息资源库。然而随着信息数量的急剧增加,“信息过载”现象的出现,使用户面对众多信息无从下手,很难找到自己需要的信息资源。加之目前绝大多数高校图书馆并没有将其提供的各种信息资源整合为一个整体,只是简单地将各种信息资源链接到图书馆网站上提供信息服务,图书馆给用户提供的用户界面是一个既复杂又不考虑不同用户信息需求差异的公共用户界面。数字化信息资源建设的发展,虽然能为人们提供大量的获取信息的途径,但是不同数字化资源采用不同的检索软件和用户界面,也大大增加了用户检索和获取信息的麻烦。为使不同层次的用户获取适合自己需要的具有个性特色的信息,以个性化服务为宗旨的网络信息服务便应运而生。
With the rapid development of the Internet and its widespread application, the Internet has provided users with an unprecedented wealth of information resources. By purchasing or developing digital resources, university libraries have provided readers with reference bibliographic data, full-text electronic journals, and various forms of on-line resources, establishing a comprehensive information resource pool that integrates many kinds of information resources. However, with the rapid increase in the amount of information, the emergence of the phenomenon of “information overload” makes it difficult for users to find information they need. In addition, at present, most university libraries do not integrate all kinds of information resources provided by them into a whole. Instead, they simply link various information resources to the library website to provide information services. The user interface provided by the library to users is A public user interface that is both complex and does not take into account differences in user information needs. Although the development of digital information resources can provide people with a great deal of access to information, different digital resources use different search software and user interfaces, which greatly increase the user’s trouble of retrieving and obtaining information. In order to make different levels of users get personalized information that suits their own needs, personalized information services for the purpose of network information service came into being.