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从服务的角度提出基于语义网格的数字图书馆按需服务系统的架构,基于该架构探讨以下问题:数字图书馆网格平台上的分布式服务资源的组织管理与监控、根据用户需求的服务建模、大规模网络环境中的按需服务组合研究等。提出基于业务流程执行语言(BPEL)描述网格工作流,并采用WSMO为网格构建语义环境。设计基于WSMO的数字图书馆语义网格服务架构,采用WSMO创建领域本体,进行项目的 WSMO 4元素设计,并给出基于WSMO的语义网格平台实施方案。
Based on the architecture, the paper discusses the architecture of on-demand service system of digital library based on semantic grid from the perspective of service. The following issues are discussed: organization and monitoring of distributed service resources on grid platform of digital library, service based on user’s needs Modeling, on-demand service portfolio in large-scale network environments. This paper proposes a grid workflow based on Business Process Execution Language (BPEL), and uses WSMO to construct a semantic environment for grid. The semantic grid service architecture of digital library based on WSMO is designed. WSMO is used to create domain ontology to design WSMO 4 elements of the project and WSMO-based semantic grid platform is proposed.