10. The method of claim 9 , wherein the data structure comprises a summary structure, the method further comprising pre-populating the summary structure with token-signature pairs of the database members and wherein relatively less definitive member tokens are eliminated to decrease an overall size of the summary structure.
12. The method of claim 10 , further comprising ascertaining a local memory allocation for the summary structure and eliminating sufficient numbers of the relatively less definitive member tokens such that the summary structure can be stored in the local memory allocation.