EDI BASED GEOGRAPHIC INFORMATION-SERVICE

EDI (Electronic Data Interchange) based geographic information service is a general client/server approach enabling automatic information se rvice to end user applications. It is based on international standards and can be implemented with general EDI software tools. All important geographic data resources will be available for the applications whic h are able to send an electronic order through a data network and in r eal-time receive the response data sent by the data supplier's server system. EDI based information service is designed, piloted, standardis ed and implemented in Finland. Many of the national data suppliers are active and the service already covers ten databases. The Geographic I nformation Centre at the National Land Survey is maintaining a geograp hic data directory system and supporting the implementation of service s and end user applications by consulting and by developing software s upporting the standards.