Through the system design discussed in section 4, two major requirements of this Web-based UMS for the City of Windsor, Ontario, Canada are satisfied. The first is to publish urban data in the City of Windsor via the Internet for public access, similar to the traditional web-based UMS. The other is to allow authorized users, for example administrators, to access more advanced operations, such as managing GIS data via the Internet without installing any other GIS software. In this web-based UMS, PostgreSQL and GeoServer are used to create a vector data web service provider, SQL Server 2008, ArcSDE and GeoServer are used to create an aerial photo web service provider and Apache Tomcat is used as a server Web. Javascripts and JAVA are the main programming languages ​​for client-side and server-side development respectively. The application runs on a server computer with a 3.40 GHz Intel(R) Xeon(TM) processor and 3.50 GB of RAM. The operating system is Windows 2003 standard X86. The interface is shown in Figure 6.Figure 6. Application interface5.1Features for the P...