The emerging geospatial Semantic Web.

GEO World, December, 2006 by Reichardt, Mark

The geospatial data and technologies integrated into the Web are increasingly usable and useful, because there are active open-standards initiatives. The World Wide Web Consortium (W3C), the Open Geospatial Consortium (OGC) and other organizations continue to support and develop standards that enable communication and interoperability. But a comprehensive, usable and standardized metadata capability (for services as well as data) continues to be a challenge.

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Metadata work started in the mid 1990s. The U.S. Federal Geographic Data Committee released its content standard in 1998, and the ISO TC/211 derivative was approved and published in 2003. But the Web took off before people could agree on a common infrastructure for specifying...

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