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中文摘要：
目前，企业知识往往分散于各个业务系统中，不能很好地实现知识管理的目标．基于现存系统，应用语义网技术提出一个企业知识集成的系统框架模型，详细介绍该模型的数据层、业务系统层、知识集成层和知识应用层4层架构构成，并对其中的数据知识化、知识的RDF（Resource Description Framework）表示、知识链构建和知识查询4项关键技术进行了研究．最后，给出系统开发方法，并以某大型水利水电施工企业信息系统的建设为例，介绍了该体系框架的应用.
英文摘要：
In most of today＇s enterprises, organization knowledge is located in separate operation systems, therefore the knowledge management is not well realized. Based on enterprise＇s legacy systems, an application framework which supports the EKI（ enterprise knowledge integration） by applying semantic web technology was proposed. The architecture of the framework was divided into four layers from bottom to top： data layer, operation application layer, knowledge integration layer and knowledge service layer. Each layer was introduced in detail. Four key techniques for the architecture, i.e. data semantic transformation, unified knowledge representation by RDF （ resource description framework）/RDFS （ RDF schema） , constructing knowledge chain and knowledge query were further studied. An approach with eight definite steps to develop the framework was also proposed for referenced. Finally, application of the proposed framework in a famous Chinese large scale hydropower corporation was further provided to illustrate the effectiveness of the framework.
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