Because of the problems of regional information integration and data integration of intercity e-Government system,this paper proposes a new model of data integration based on deeply analyzing and researching the technology of topic map and Relational DataBase Management System(RDBMS).This model creates a topic index layer between the application layer and data layer of intercity e-Government system through the analysis of RDBMS,OAI protocol for Metadata harvesting, automatic generation and merger of topic maps to realize data integration of intercity e-Government system.
夏立新,叶飞. 利用主题图实现城市圈电子政务系统数据整合模型的构建*[J]. 现代图书情报技术, 2009, 25(11): 17-22.
Xia Lixin,Ye Fei. Construction of Data Integration Model of e-Government System of City Circle Based on Topic Maps. New Technology of Library and Information Service, 2009, 25(11): 17-22.