11. The computing device as claimed in claim 10 wherein the corpus is a first corpus; and wherein the method further includes the conversational agent being further configured to: computationally process though a linguistics analysis of a second corpus of user utterances to identify semantic graphs that match respective user utterances in the second corpus, wherein the additional attached semantic graphs of user utterances are from the second corpus.
14. The computing device as claimed in claim 11 , wherein the first and second corpa correspond to different time intervals.