Web 2.0的出现代表了互联网从信息展示为主的应用向社交、共享以及合作为主的应用发展,这些以用户为中心的技术将改变人们合作的方式以及网络应用的形式。诸如Google Map等能够接纳用户数据并支持用户定制的地理工具的出现,使得GIS(地...Web 2.0的出现代表了互联网从信息展示为主的应用向社交、共享以及合作为主的应用发展,这些以用户为中心的技术将改变人们合作的方式以及网络应用的形式。诸如Google Map等能够接纳用户数据并支持用户定制的地理工具的出现,使得GIS(地理信息系统)应用的构建越来越方便快捷。文中阐述利用Web 2.0中的富互联网应用程序(Rich Internet Application)和mashup技术将国境口岸的疾病监测信息集成在Google Map中,构建国境口岸疾病监测Web GIS系统。该系统实现了在地图上进行国境口岸监测信息的上报、统计、预警,并节约了GIS建设的软件与数据成本。展开更多
A wiki system is a typical Web 2.0 application that provides a bi-directional platform for users to collaborate and share much useful information online.Unfortunately,computers cannot well understand the wiki pages in...A wiki system is a typical Web 2.0 application that provides a bi-directional platform for users to collaborate and share much useful information online.Unfortunately,computers cannot well understand the wiki pages in plain text.The user-generated geographical content via wiki systems cannot be manipulated properly and efficiently unless the geographical semantics is explicitly represented.In this paper,a geographical semantic wiki system,Geo-Wiki,is introduced to solve this problem.Geo-Wiki is a semantic geographical knowledge-sharing web system based on geographical ontologies so that computers can parse and storage the multi-source geographical knowledge.Moreover,Geo-Wiki mashed up with map services enriches the representation and helps users to find spatial distribution patterns,and thus can serve geospatial decision-making by customizing the Google Maps APIs.展开更多
基金supported by the National Hi-Tech Research and Develop-ment Program of China ("863" Project) (Grant No.2007AA120502)the National Key Technologies Research and Development Program of China (Grant Nos.2008BAJ11B04,2006BAJ14B04)the National Natural Science Foundation of China (Grant Nos.40701134,40771171,40928001)
文摘A wiki system is a typical Web 2.0 application that provides a bi-directional platform for users to collaborate and share much useful information online.Unfortunately,computers cannot well understand the wiki pages in plain text.The user-generated geographical content via wiki systems cannot be manipulated properly and efficiently unless the geographical semantics is explicitly represented.In this paper,a geographical semantic wiki system,Geo-Wiki,is introduced to solve this problem.Geo-Wiki is a semantic geographical knowledge-sharing web system based on geographical ontologies so that computers can parse and storage the multi-source geographical knowledge.Moreover,Geo-Wiki mashed up with map services enriches the representation and helps users to find spatial distribution patterns,and thus can serve geospatial decision-making by customizing the Google Maps APIs.