Abstract
In order to prevent and handle all kinds of railway emergencies efficiently and improve emergency management efficiency and capability of Railway Bureau, it is of great importance to construct the emergency command system which takes geographic information system as core and is visualized, intelligent and networking. Based on the reality of railway emergency management, the three level structure of emergency command system, which takes the Railway Bureau as core and consists of the Ministry of Railways, the Railway Bureau and Divisions, is proposed. The overall frame structure of the system which consists of user layer, interface layer, application service layer and data layer is designed and the function of the system is analyzed. Some key technologies namely geographic information service platform technology, information resources integration technology and decision support techniques are introduced.
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