Abstract
In order to resolve problems related to information integration in service management system (SMS), this paper introduces Meta Object Facility (MOF) into SMS to propose the concept of universal metamodel in service management domain. And then, Service Management Data Model (SMDM) is established to complete instantiation of metamodel by studying Share Information /Data (SID) Model. In this methodology, firstly, universal metamodel is established to ensure data sharing and reuse in SMS. Secondly, based on analysis of all kinds of information and process in SMS, core classes are defined to instantiate metadata classes and guarantee extendibility of SMDM. Each operational process can establish corresponding data model by definition of sub-class inheriting core class. Finally, data model of service quality monitoring is established to validate modeling methodology's validity. Therefore, consistency between SMDM and functional requirements is achieved and extension of business entities in SID is realized.
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