Distributed Geolibraries Spatial Information Resources, Summary of a Workshop (1999) / Chapter Skim
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Appendix D: Example Prototypes
Appendix D: Example Prototypes
Pages 109-116
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com) Terraserver offers digital imagery (Figure D.1)
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The map illustrates the ability to provide services based on specific collections, in addition to serving unmodified information. Map Results use subiectto lioenseloopyriqht ~.p q.
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web site offers several forms of place-based search through the agency's archives, including Maps On Demand and ZIP code search. From the web site: The EPA Envirofacts Warehouse is a database that includes information on Superfund sites, drinking water, air pollution, toxic releases, hazardous waste, and water discharge permits.
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The main purpose of the TIGER Map Service project is to provide a good-quality, national scale, street-level map to users of the World Wide Web. This service is freely accessible to the public, and based on an open architecture that allows other Web developers and publishers to use public domain maps generated by this service in their own applications and documents.
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usgs.gov/atIas) ~3 The National Atlas web site creates and delivers maps on demand from the National Atlas database.
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FIGURE D.S. Index page for MIT's Digital Orthophoto server, which provides downloadable orthophotography for the Boston area.
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is the product of a research project at the University of California, Santa Barbara, fi~nded through the Digital Library Initiative of the National Science Foundation, the National Aeronautics and Space Administration, and the Defense Advanced Research Projects Agency. Figure D.6 shows the first screen in ADE's process of defining a place-based search.
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FIGURE D.7. Microsoft's HomeAdvisor web site.
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