Disclosed is a system for, and method of, searching for and identifying an entity representation. Some embodiments utilize a reflexive, symmetric and transitive function to allow for non-identical matches between field values. The function may be used to generate field value codes, which are associated...http://www.google.de/patents/US8190616?utm_source=gb-gplus-sharePatent US8190616 - Statistical measure and calibration of reflexive, symmetric and transitive fuzzy search criteria where one or both of the search criteria and database is incomplete