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Figure 3. Screen capture showing undersea_features.kmz viewed in Google EarthTM.

The data were compiled in ArcGIS^® version 9.3.1 (http://resources.arcgis.com/). The downloadable file has been compressed with the "send to compressed folder" tool in the Windows^® operating system and may be extracted by Windows^® Explorer or other utilities capable of uncompressing a ZIP file. The zipped file includes data, metadata, projection parameters, and a browse graphic. The metadata also are provided online in several formats: parseable text, HyperText Markup Language (HTML), frequently asked questions HTML (FAQ), and Extensible Markup Language (XML). The zipped file may be used as is in applications such as the ArcGIS^SM Online map viewer (http://www.arcgis.com/home/webmap/viewer.html). The unzipped shapefile can be viewed by many GIS applications.

The undersea_features.kmz file is a version of the dataset suitable for viewing in Google Earth^TM, a virtual-globe data viewer (fig. 3). A free version of Google Earth^TM may be downloaded from https://www.google.com/earth/.

The linked data representation can be incorporated in a triple store that supports GeoSPARQL queries (Open Geospatial Consortium, 2012).