Patent ID: 6523041
Filing Date: 2003-02-18
Classification: G06F,G06Q,Y10S

Abstract:
A system for linking data comprising:(a) at least one client data storage system; (b) a plurality of data elements resident on said data storage system for an indefinite time, wherein each of said data elements comprises data that pertains to a particular entity, wherein each of said entities comprises one of a consumer, a business, a household, and an occupancy; (c) a master repository; (d) a plurality of identification classes resident on said repository, each of said identification classes corresponding to a particular entity, each of said identification classes comprising at least one of name aliases, name change history, address aliases, address change history, alternate name and address spellings, and common name and address misspellings, and wherein said repository contains identification classes pertaining to substantially all of said entities located within a particular geographic area; and (e) a plurality of tokens resident on said repository, wherein each of said tokens uniquely corresponds to a particular entity, wherein the unique correspondence of each of said tokens to a particular entity is persistent over time, and wherein each of said identification classes is tagged with that one of said tokens corresponding to the entity to which each said identification class pertains.