2. A knowledge management system according to claim 1 further comprising: a query system that is configured to imagine associations from the associations among user queries, results of user queries and user evaluations of results of user queries for a plurality of users that were observed into the associative memory system, in response to a query by a given user.
4. A knowledge management system according to claim 2 wherein the query system is further configured to identify associations, user queries, results of user queries and/or users that are not known to a given user, in response to a query by the given user.