介绍OCLC建立的Worldcat云计算数字图书馆的设计思想及OCLC应用云计算技术整合图书馆资源和数字图书馆日常服务流程的方法,分析在云计算环境下Worldcat数字图书馆的服务层级结构、数据库结构与内部管理结构,考察OCLC建设云计算数字图书馆的成效与OCLC的云环境信息安全保障方案。
The paper introduces the design idea of OCLC Worldcat cloud computing digital library, analyzes the method which OCLC integrates library resource and the daily service process of digital library. The paper also analyses the service level structure, database structure and inner management structure of Worldcat dlgital library, investigates the cloud computing information security system of Worldcat and Worldcat' s effect on improving sharing and availability of digital information resource.