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GIS Crisis-management systems using Ajax technology

In the field of GIS, it is important to support crisis management during disasters. Web-GIS (geographic information system) is used to display disaster information on a map so that it can be shared and support restoration activities. New web technology called Ajax (Asynchronous JavaScript and XML) offers fast-loading and asynchronous updates. In this paper we introduce a Web-GIS crisis management system using Ajax technology. This system has two features. The first is to integrate disaster information and facilities information on the map. The second is rapid-response by applying Ajax technology to Web-GIS. We also report on an elevator management system we have developed and found suitable for practical application.