The WSIL References Page shows two WSIL discovery services. The first discovery service is: http://dublincore.org/services/inspection.wsil followed by a right arrow pointing to the description of the discovery service, XMethods.org.service directory. The second discovery service is: www.xmethods.net/inspection.wsdl followed by a right arrow pointing to the description of the discovery service, XMethods.org.service directory.