12. The method of claim 1 , wherein said organizing the data, based on relationships among the data, into a network comprises forming a relational table indicative of relationships between instances of said at least one predecessor group and instances of a first one of said plurality of descendant groups.
12. The method of claim 1 , wherein said organizing the data, based on relationships among the data, into a network comprises forming a relational table indicative of relationships between instances of said at least one predecessor group and instances of a first one of said plurality of descendant groups. 13. The method of claim 12 , wherein said forming a relational table comprises forming a many-to-many transfer file indicative of relationships between said instances of said at least one predecessor group and said instances of said first one of said plurality of descendant groups.