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Home / Photogrammetric Engineering & Remote Sensing, Number 6 / June 2007

Open Access The Emerging Concepts and Applications of the Spatial Web Portal

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Geospatial metadata, data, and services have been widely collected, developed and deployed in recent years. This flourishing of geospatial resources also added to the problem of geospatial heterogeneity. Interoperability research and implementation are needed for advancement in potential solutions to integrate and interoperate these widely dispersed geospatial resources. We propose the Spatial Web Portal architecture to integrate and interoperate geospatial resources. The architecture leverages web-based computing, spatial web services, and web fragments to integrate geospatial metadata, data, analysis, and presentation, through distributed portlets: (1) Spatial web services are adopted to interoperate geospatial components. (2) Web portals are adopted to integrate web pages from web fragments generated by portlets. (3) W3C recommendations are adopted to provide access to remote portlets delegating geospatial components. (4) Java community specifications are adopted to facilitate the development and distribution of portlets. NASA’ Earth Science Gateway (ESG) is designed and developed as an example to test the proposed architecture in sharing earth observations, simulations, and other geospatial resources. The proposed architecture and example system provide (a) a tested mechanism for interoperating geospatial resources at different levels, (b) an environment to test new interoperable concepts, and (c) a platform to support heterogeneous-geospatial-resource based applications of national and global significance, such as the Global Earth Observing System of Systems (GEOSS) applications.

Document Type: Research Article

Publication date: 01 June 2007

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  • The official journal of the American Society for Photogrammetry and Remote Sensing - the Imaging and Geospatial Information Society (ASPRS). This highly respected publication covers all facets of photogrammetry and remote sensing methods and technologies.

    Founded in 1934, the American Society for Photogrammetry and Remote Sensing (ASPRS) is a scientific association serving over 7,000 professional members around the world. Our mission is to advance knowledge and improve understanding of mapping sciences to promote the responsible applications of photogrammetry, remote sensing, geographic information systems (GIS), and supporting technologies.
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