GIS-T Web Services have many advantages. GIS-T Web
Services are discoverable, self-describing software components.
UDDI is an open standard with broad industry support standard.
When an implemented GIS Web Service exposed in any Web
Services portal, it can be discovered in any Web Services
portal. Once a GIS Web Service is discovered, the developer
can begin using it immediately. All they need is the full URL
path to the services WSDL. Each method, parameter, property,
and return value of the service is described in a standard way,
allowing modem development tools to access to the exposed
functionality.