| Abstract
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We report on the very substantial progress … We report on the very substantial progress made in several medium size cyberinfrastructure projects that involve multiple institutions and diverse provider and user communities. Of particular note isthe degree to which we have implemented robust production application frameworks built upon what up until a few years ago was considered experimental technologies in the fields of Earth and space sciences. These include Grid technologies, advanced software frameworks and semantic web technologies. We discuss our methods and successes across projects such as the Earth System Grid, the Virtual Solar-Terrestrial Observatory, and others. One trend that is emerging is a growing community of researchers who are recognizing a need for significant foundational resources such as geo-science ontologies, ontology languages and related environments for generation, evolution, maintenance, diagnosis, explanation, and verification, and cross-institutional services for single sign-on, resource and service integration and interconnection. While there is a long way to go to get to the point of a set of standard reference ontologies and supporting infrastructure, significant progress has been made.These projects are supported by NCAR, DoE, NASA, and NSF. are supported by NCAR, DoE, NASA, and NSF.
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