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中文摘要：
在对云计算基本概念、特征、层次、分类等进行分析的基础上,从管理的视角对基于云计算的多源信息服务系统作了综述.在云计算环境下多源信息服务过程中,描述了信息服务各要素以及面向不同领域、不同用户的多源信息服务模式;总结了信息服务资源的描述方法、发现与匹配机制、资源配置与实时监控方法等信息服务资源管理问题;归纳了多源信息服务的全生命周期以及服务过程的优化与协调机制;总结了多源信息服务过程中的可信保障机制;探讨了云计算环境下多源信息服务系统的体系结构、关键技术.通过对目前基于云计算的多源信息服务系统研究进行梳理和总结,并进一步结合不同领域的应用需求,提出了基于云计算的多源信息服务系统未来的研究方向以及应用前景.
英文摘要：
A survey on multi-sources information service system based on cloud computing is proposed according to the basic idea, characteristic, architecture of cloud computing from the viewpoint of management. During the process of multi sources information service in cloud, the service pattern is described from the viewpoint of service elements, objects, and application areas. The service resource management problems are also summarized, such as service description, service matching and discovery, service allocation, and service con- trol. Furthermore, the lifetime of multi-sources information service, optimization and coordination for service process, guarantee of trustworthiness, and the architecture and key technologies are concluded later on. At last, according to the previous work and the current requirement from different areas, future research direction and application perspectives are suggested.
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