49. The method of claim 47 , comprising determining whether said object participates in one or more declarative rules through matching of said object to object structure patterns specified in the one or more declarative rules.
49. The method of claim 47 , comprising determining whether said object participates in one or more declarative rules through matching of said object to object structure patterns specified in the one or more declarative rules. 50. The method of claim 49 , comprising determining whether a said object participates in a declarative rule by utilizing a hash table organized according to the object structure of variable designations in a dependency network representing the rules.