AASG Amazon apache Apache Tomcat Applications AZGS CGI GeoSciML CSW deegree deegree CSW Django Drupal Drupal EC2 ESRI ESRI ArcExplorer ESRI ArcGIS Desktop ESRI Geoportal ETL FGDC FGDC CSDGM GeoNetwork GeoNetwork geosciml GeoSciML-portrayal GeoSciML WFS Architecture geoserver GeoServer GeoServer GeoSciML IETF RFC 3986 - URI ISO 19115 ISO 19119 ISO 19139 ISO 19139 metadata NGDS OGC OGC CSW OGC GML OGC WFS OGC WMS Organizations presentation Python Python Standards Tomcat USGIN USGIN CSW USGIN ISO 19139 USGIN SKOS vocabulary service USGIN URI USGIN WMS USGS Virtual Machine web services WFS WMS WWW SKOS XML