%0 Journal Article
%T THE STATE AND TRENDS IN CIS<br>地理信息系统的现状及其技术系统的研究动向
%A Liang Qizhang
%A <br>粱启章
%J 地理学报
%D 1989
%I 
%X Geographical information system as a new and advanced technology system has been used in the area of spatial information processing for more than ten years, This paper discusses the state and problems of GIS and than suggests the following six aspects of development trends; 1. Spatial relations theory 2. The application of artificial intelligence and development of expert system 3. Data aggregation and generalization 4. Exploratory data analysis 5. Data basa queries 6. Modeling
%K Geographical information s
%K ystem software
%K Geographical data base
%K Globe dete base
%K Spatial relations theory
%K Artificial intelligence
%K Expert system<br>地理信息系统
%K 空间信息
%K 技术系统
%K 系统应用
%K 用水
%K 高技术
%K 研究课题
%K 面值
%K 研究动向
%K 水平
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=E62459D214FD64A3C8082E4ED1ABABED5711027BBBDDD35B&cid=869B153A4C6B5B85&jid=F7B5B947C24B9D649491012214E4BEF4&aid=6D12DB4326722ABE&yid=1833A6AA51F779C1&vid=1AE5323881A5ECDC&iid=CA4FD0336C81A37A&sid=7555FB9CC973F695&eid=CDEBD1ACE0A4C1C1&journal_id=0375-5444&journal_name=地理学报&referenced_num=1&reference_num=0