介绍了几种存储系统模型在数字图书馆网络中的应用，探讨了选择存储系统时应该考虑的问题。
This paper introduces the application of several storage system models in digital library networks, and discusses some problems that should be considered in selecting the storage system.
针对用户兴趣和偏好建立用户模型，是整个数字图书馆个性化服务系统中的关键技术。
The establishment of user model, based on the user's interests and hobby, is the key techniques in the individuation-service-system in digital library.
本文通过数学建模的手段，建立了基于ISO 27000系列标准的数字图书馆信息安全风险管理数学模型。
By means of mathematical modeling, this paper builds a general mathematical model of digital library information security risk management based on ISO 27000 series standards.
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