Patent ID: 9683855
Date: 2017-06-20
CPC Classifications: G01C,G06Q,G09B

Claim:
1. A method of directing a person to a location, the method comprising: receiving, at a processor, from an interface device, a request for location information of a desired destination, wherein the request comprises a location identifier having a first component and a second component, and a user identifier, wherein the first component of the identifier corresponds to a first geographic area and the second component of the identifier corresponds to a second geographic area, and wherein access to the first component requires a first level of authorization and access to the second component require a second level of authorization; querying, with the processor based on the first component of the location identifier, a memory to determine from a group of first irregularly shaped geographic areas a first irregularly shaped geographic area including the desired destination; querying, with the processor, based on the second component of the location identifier, the memory to determine from a group of second geographic areas covering the first irregularly shaped geographic area a second geographic area including the desired destination; determining, in an access module, an authorization level corresponding to the user identifier; determining a present location of the interface device; and providing an audible or visual output indicating a path from the present location of the interface device to the desired destination according to the authorization level corresponding to the user identifier.