9. The memory medium of claim 8 , wherein the instructions executable to modify include instructions executable to add a new salient term associated with the action-object.
9. The memory medium of claim 8 , wherein the instructions executable to modify include instructions executable to add a new salient term associated with the action-object. 10. The memory medium of claim 9 , wherein the instructions executable to add comprise instructions executable to select the new salient term based on a word count indicative of a frequency with which terms occur in a selected set of user utterances.