Multi-dimension Agricultural Geographical Information Classification
fu hai-fang 1; 2 ; niu zhen-guo 2; cui wei-hong 2 (1.institute of surveying and land information engineering; central south university ; changsha 410083; 2.institute of remote sensing applications; chinese academy of sciences; beijing 100101; china)
Study on Thematic Data Generalization in GIS
du dao-sheng; gao wen-xiu ; gong jian-ya (national laboratory of surveying; mapping and remote sensing; wuhan university; wuhan 430079; china)
Research on Connection Pool Service for Distributed Heterogeneous Databases in WebGIS
wang ji-zhou 1; 2 ; li cheng-ming 2; fu jun-e 3 (1.school of remote sensing and information engineering; wuhan university; wuhan 430079; 2.institute of gis; chinese academy of surveying and mapping; beijing 100039; 3.remote sensing center; china institute of water resources and hydropower research; beijing 100038; china)