9. The method of delivering events based on semantics of published events and subscriptions recited in claim 8 , wherein the SQL translator rewrites statements comprising the steps of: locating an event source; replacing a subscription source with a located event source; and rewriting predicate in where-clause according to attributes in the located event source and adding correlation conditions.
10. The method of delivering events based on semantics of published events and subscriptions recited in claim 9 , wherein the event source is a sufficient event source.