1. A method for configuring a knowledge-based object model located at a server platform from a client platform via a data network, comprising steps of: (a) providing the object model and a configurator at the server platform; (b) transporting, from the server platform to the client platform, a GUI user-interface application capable of manipulating the configurator over the data network; and (c) invoking the GUI user-interface application at the client platform by a client, and using the GUI user-interface application to configure the object model at the server from the client platform.