A method in a server coupled to at least one client for modifying a data mining model for display to a user of the client, the data mining model maintained by the server, the method comprising: receiving a request message from the client to modify the data mining model; generating change definitions from the request message to modify the data mining model; storing the change definitions in a document; and, transmitting the document to the client, the client being adapted to generate a modified data mining model for display to the user from the change definitions.