21. The method of claim 19 , wherein selecting a subset of information sources from a plurality of available information sources depends on whether a type of the at least one of the plurality of terms is retrieved.
21. The method of claim 19 , wherein selecting a subset of information sources from a plurality of available information sources depends on whether a type of the at least one of the plurality of terms is retrieved. 22. The method of claim 21 , wherein the type comprises an activity associated with the upcoming event, and wherein the information generated to the user comprises information associated with the activity.