of Trends of Internet GIS Technology and VENTEN
Department of Engineering, Osaka City University, 3-3-138, Sugimoto, Sumiyoshi-ku, Osaka, 558, Japan
The high costs of geographical information systems and geographical information were the key problem for some institutions that need to develop GIS. For this purpose, VENTEN that developed as Internet based GIS must be available at low costs. The Internet GIS or WebGIS system provides Geographical Information System (GIS) functions via the Internet-services for browsing and analyzing geographical information. In order to provide the GIS system with the heavy server-thin client method, the only choice available is the system, which performs GIS search and analysis by the web.