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1、Construction and Application of the Socio-economic Statistical Geographical Information System in HangzhouDu Guozhong Deputy Director Metropolitan Bureau of Statistics of HangzhouZhejiang Province, China Tel: 86-571-85252705 Fax:86-571-85252735 E-mail: Abstract The Socio-economic Statistical Geograp
2、hical Information System in Hangzhou is constructed on the bases of the Geographical Information System(GIS) technology. It is based on the standard statistical index and general statistical standards. By combining the geographical data of the city with the Economic Census, the unit directory storeh
3、ouse, the registered population data base, and the comprehensive statistical database system, Hangzhous socio- economic SGIS has established a corresponding socio- economic statistical data warehouse. It applies the Abstract“space location function” and the “analysis and inquiry function” of Hangzho
4、us statistical basic unit information and provides, this way, a convenient and intuitive statistical service to the public. With its powerful statistical analysis and space analysis ability, the system can provide helpful information on specific themes for decision-making, thus offering a source of
5、information for the sustainable development of Hanghzhou. The Systematic Framework of Construction Basic sources for the Socio-economic Geographical Information System are, on the one hand, the electronic urban map of Hangzhou and the store of location names, and on the other hand the information on
6、 enterprises from the Economic Census supplemented by the 4 departments real time network. In combination also with data from Hangzhous comprehensive statistical database system, the SGIS provides complete and updated information. The framework of the system is represented as shown below:The Systema
7、tic Framework of ConstructionThe Sources for Updating the System . Unit information: The Economic Census provides new information on economic enterprises and other institutions. It is updated and supplemented regularly by information from the enterprise directory of the common platform of the 4 depa
8、rtments, i. e. the Industrial and Commercial Bureau, the Bureau of State Taxation, the Bureau of Local Taxation and the Bureau of Quality Control and Technical Supervision.The Sources for Updating the System. Electronic map: The electronic urban map of Hangzhou and the store of location names are co
9、nstructed and updated regularly by information from the Bureau for Planning. . Statistical information: Statistical data of industrial enterprises above designated size can be updated by Hangzhous comprehensive statistical database system at regular intervals.The Sources for Updating the System . Po
10、pulation information: The registered population information of Hangzhou city is exchanged to Metropolitan Bureau of Statistics of Hangzhou and added to the SGIS through the Information Interchange Centre of Civic Card, and updated synchronously by information form the registered population informati
11、on management platform of the Public Security Bureau.The Means of Construction House-numbers are the main basis for tagging enterprises geographical location, thus comes a key problem, that is how to eltablish one-to-one relationship between the electronic map and the house-number.In order to develo
12、p a corresponding relationship between them, we teamed up with the Bureau for Planning to improve the electronic map. Firstly, the Bureau for Planning printed out all district-maps. Then, census enumerators checked up on all units with these paper maps, and tagged house-numbersThe Means of Construct
13、ionon maps synchronously. Lastly, we returned the paper maps to the Bureau for Planning. The Bureau for Planning brought up the original store of location names by processing the maps, and identified community boundaries. Then, we processed the names and house-numbers to bring out a standardized sto
14、re of location names with the help of the Bureau of Civil Affairs (Geographical Names Office), and fixed each house-numbers location point by coordinates. Through the technique of address matching on the store ofThe main functions of the system location names, we located all statistical units to cor
15、responding positions on the electronic map, and established relations between the Geographic Reference System and GIS.The Bureau of Civil Affairs is responsible for updating the store of location names, and the Bureau for Planning is responsible for updating the electronic map.The main functions of
16、the systemIn addition to some of the commonly used inquiry also we can click on a certain unitto locate the position, and get the basic informationThe main functions of the systemof the enterprise and all the statistical information, thus we can have a comprehensive grasp of the information of its production and operation conditions; furthermore, it can be filtered by referring to different kinds of i
