%0 Journal Article
%T Real-time collaborative cartography based on region version by quadtree index<br>基于四叉树索引的区域版本实时协同绘图系统
%A CAO Feng-ping
%A DOU Wan-feng
%A DONG Quan-yuan
%A <br>操凤萍
%A 窦万峰
%A 董泉源
%J 计算机应用
%D 2009
%I 
%X As the traditional GIS develops towards Internet GIS, the update of maps usually needs the integrated cooperation of several websites. The traditional concurrency control strategy does not satisfy the collaboration awareness of multi-users in cooperative GIS. Therefore, regional version concurrency control strategy by quadtree index was suggested, and its frame and methods for correlative issues were given.
%K cooperative GIS
%K concurrency control
%K collaboration awareness
%K region version
%K real-time collaborative cartography<br>协同GIS
%K 并发控制
%K 协作感知
%K 区域版本
%K 实时协同绘图
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=831E194C147C78FAAFCC50BC7ADD1732&aid=4A40C35E127EAAC617782943134BFC5B&yid=DE12191FBD62783C&vid=771469D9D58C34FF&iid=CA4FD0336C81A37A&sid=A5B34D9E8FDA439A&eid=6C069F4B248105A5&journal_id=1001-9081&journal_name=计算机应用&referenced_num=0&reference_num=5