对本体的由来概念、作用及本质等进行较全面的探讨,介绍本体的构建方法和几种编辑工具软件。选取德国AIFB研究所著名的Ontobroker项目作为典型的本体系统,从目标和特点、运行机制、作用评价三个方面对其进行深入、细致的研究,在此基础上提出应构建本体库,以支技网络信息的概念检索系统。 On the concept of the origin of the concept, role and nature of a more comprehensive discussion on the construction of ontology and several editing tools. The famous Ontobroker project of AIFB Institute in Germany is selected as a typical ontology system, and its in-depth and meticulous research is carried out from three aspects: the goal and the characteristic, the operation mechanism and the function evaluation. On the basis of this, it is proposed that the Ontology should be built to support the technology Conceptual retrieval system of network information.