| 1 | The GEON service-oriented architecture for Earth Science applications显示文摘The Geosciences Network(GEON)project has been developing cyberinfrastructure for data sharing in the Earth Science community based on a serviceoriented architecture.The layered architecture consists of Core,Middleware,and Applications services.Core services provide system-level functions(e.g.user authentication),Middleware services provide generic capabilities(e.g.catalog search),and Application services provide functions that users directly interact with,including applications that are specific to Earth Sciences.The GEON‘service stack’includes a standardized set of these services and the corresponding software modules.The GEON Portal provides Web-based access to these services via a set of portlets.This service-oriented approach has enabled GEON to expand to new partner sites and leverage GEON services for other projects.To facilitate interoperation in a distributed geoinformatics environment,GEON is focusing on standards for distributed search across federated catalogs. | Chaitan Baru Sandeep Chandra Kai Lin Ashraf Memon Choonhan Youn | 2009 | International Journal of Digital Earth2009，2，S01： | 3 |
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