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This paper presents the recent process in a long-term research project,called National Knowledge Infrastructure(or NKI).Initiated in the early 2000,the project aims to develop a multi-domain shareable knowledge base for knowledge-intensive applications.To develop NKI,we have used domain-specific ontologies as a solid basis,and have built more than 600 ontologies.Using these ontologies and our knowledge acquisition methods,we have extracted about 1.1 millions of domain assertions.For users to access our NKI knowledge,we have developed a uniform multi-modal human-knowledge interface.We have also implemented a knowledge application programming interface for various applications to share the NKI knowledge. 相似文献
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基于本体的医学知识获取 总被引:14,自引:3,他引:14
In this paper, we introduce an ontology-mediated method for medical knowledge acquisition and analysis.Using the method we establish an ontological structure and ontologies for the Medical Knowledge Base (or NKIMed ). To check the consistency of the acquired knowledge, we use a set of medicine-specific axioms. These axioms are also used in knowledge inference, and interconnection between diiferent medical concepts. Finally, two applications of NKIMed, i.e. intelligent teachinu systems and speech diagnosis are illustrated. 相似文献
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