The NGDS Data Explorer is designed to interact with, and extract data from, web services, specifically web feature services (WFS); consequently, some understanding of web services is useful.

To understand web services further, see the web service glossary entry.

The NGDS Data Explorer extracts data from web services in order to facilitate compliance with USGIN-OneGeology specifications. By examining the attributes that describe features in a given service, it is possible to determine whether or not a given web service meets USGIN-OneGeology standards.

To continue this tutorial, click the links below.