中文摘要：

以学术信息资源收集、处理和加工为基础的数字图书馆面向用户的服务组织，决定了其信息资源安全保障的内在机制。云环境下数字图书馆的服务链构成和基于服务链的资源交互，提出按服务链关系进行全面安全保障的要求。基于这一认识，本文从数字学术信息资源服务链安全理论出发，在对学术信息资源服务节点分析基础上提出基于内容服务的安全保障框架，立足于数字图书馆联盟服务实践，探索以数字学术信息服务平台为核心的集成安全保障体系和安全保障的实施。

英文摘要：

The service organization for the users of the digital library based on academic information resource collection and processing determines the internal mechanism of the security of its information resources.The service chain structure of the digital library under the cloud environment and the resource interaction based on the service chain,put forward the requirement of comprehensive security guarantee according to the service chain relation.Based on this understanding,starting from the theory of service chain security of digital academic resources,this paper analyzes the academic information resources service node and puts forward a security framework based on content service.Based on the practice of digital library alliance service,this paper explores the integrated security system and security guarantee implementation with digital academic information service platform as the core.