The Research And Experiment Of The Key Technologies Of Varying Scale Place Names Online Service

Toponym is one of the most using of geographic information for the public, the expression of place names on the map has a bearing on national sovereignty and political views. The establishment of the public toponym online service system based on the support technologies such as geographic information system technology and so on which providing toponym quick search, toponym browsing, toponym drawings,and other forms of online services, is the objective demand in people's daily life. So the establishment of the public toponym online service system was a very necessary job.The system was by the promoting of surveying and mapping basic project "oriented public map expression of place names service system and the public version of the map services", which was hosted by national geographic information bureau of surveying and mapping,according to the actual situation of our country, used the mature system structure of B/S, used by New Map platform, guaranteed by the policies, regulations and standards and confidential treatment technology, to ensure varying scale toponym database as the core, integrated computer technology, geographic information technology,database management technology, network services and so on and provided standard, accurate, flexible place names online services for the public.It mainly explored the key technologies of varying scale place names online service, it verified through the public toponym online service system essentially. The research target was generalized in two points: on one hand,it involved the design and construction of varying scale toponym database; on the other hand,it involved the design and implementation of public toponym online service system. The work of it mainly included:1) It has introduced the background research of this system simply and has stated the development about the place names in both at home and abroad;2) It has mainly analysed the data organization, has designed the storage solution of place names data,has completed the design of the varying scale toponym database and the construction of the database;3) It has explored the key technologies involved in this system;4) It has introduced the system development environment, system architecture and the functions to realize of the system and eventually realized the different forms of placenames online service.In a word,this system has established on the basis of the varying scale toponym database to provide many toponym online services, it basically has meet the needs of the users, the platform could work well for the public and the society.The main contributions included the following:1) It has provided the fine granularity toponym quick search service;2) It has provided the specification of varying scale toponym online map expression services;3) It has provided a variety of using ways and shared mode of place names, such as toponym packaging download and toponym online mapping.