28. The system of claim 27 , wherein the suggestion space includes: a suggestion space populator and a suggestion space updater, the suggestion space populator and the suggestion space updater each being coupled between the suggestion tables and the in-memory suggestion space.
27. The system of claim 11 , wherein the suggestion space includes suggestion tables stored in the knowledge base and an in-memory suggestion space stored in memory, the in-memory suggestion space representing a copy of at least a portion of the suggestion tables.