Abstract: According to the problems that it is difficult to manage and use effectively configuration information at Guizhou Power Grid data center,the ontology technology to realize semantic description of configuration information is introduced,and a quadruple model of configuration management ontology is presented,and configuration items,data properties,as well as object properties and individuals which were to build configuration management ontology were obtained based on existing configuration management database,configuration files and so on．The ontology’s logical structure and OWL description form also were presented．Finally,an application research on configuration management ontology for monitoring system of Guizhou Power Grid data center was presented.

Key words: Configuration management,Ontology,Data center,Monitoring system,IT service management