Systems and methods are provided for generating a reference location data set, such as a reference longitude and latitude point, for each of a plurality of point addresses. A reference location data set can be determined for a point address based on a history of prior geocode samples, such as GPS readings,...http://www.google.co.uk/patents/US7840340?utm_source=gb-gplus-sharePatent US7840340 - Systems, methods, and computer program products for generating reference geocodes for point addresses
