On the web there are vast numbers of useful geospatial datasets available, exposed via web map services via open standards or open protocols. Just as web search engines enable users to reliably search and find relevant HTML documents, a similar capability is needed to return the most useful and reliable geospatial datasets. Hypermap Registry is an open source platform, developed by the Center for Geographic Analysis (CGA) of Harvard University, which attempts to address the general problem of geospatial data search and discovery.
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Hypermap registry: an open source, standards-based geospatial registry and search platform
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