5. The method of claim 2 , wherein the processing of the second event is performed in accordance with stored program instructions that are independent of the parsing logic for the first group of events.
6. The method of claim 5 , including processing additional events from additional groups of events for which event parsing logic has been stored in the one or more parsing trees, wherein the processing of the additional events is performed in accordance with said stored program instructions, which are independent of the parsing logic for the additional groups of events.