Patent ID: 8543617

Claim:
A location referencing system for geographic databases that represent roads in a geographic region, wherein the location referencing system facilitates identification of corresponding locations in multiple different geographic databases that represent roads, the system comprising: a keyword database of unique location identifiers, wherein each unique location identifier is a keyword associated with a physical location in said geographic region, wherein the physical location associated with a unique location identifier is accessible from a road that is navigable by motorized vehicles, wherein the road that is navigable by motorized vehicles is represented by road segment data in a first geographic database that represents roads, wherein the unique location identifier includes data indicating the road segment data in said first geographic database that represents the road from which the physical location associated with the unique location identifier is accessible, and wherein the unique location identifier is also associated with road segment data in a second geographic database, wherein the road segment data in the second geographic database represents the road that is navigable by motorized vehicles from which the physical location associated with the unique identifier is accessible, wherein the second geographic database is different from the first geographic database, wherein the first geographic database is a different version or provided by a different vendor than the second geographic database, wherein at least one of the unique location identifiers includes data indicating a position along the road segment from which the physical location associated with the unique location identifier is accessible, whereby a physical location and the navigable road by which the physical location is accessible can be identified in multiple geographic databases.