Patent ID: 6484092
Filing Date: 2002-11-19
Classification: G01C

Abstract:
A method for a user to control risk in a dynamic and interactive navigation system, the method comprising:receiving, from a user, a risk factor input associated with at least one predetermined risk attribute, the risk factor input specifying a user risk filter to apply to determination of routes, wherein, if a determined route has the at least one risk attribute, then the determined route is not presented to the user, and wherein the at least one risk attribute relates to a hazard associated with a route; receiving a navigation request, the navigation request comprising a destination location description and at least one criterion to be satisfied by a desired route, wherein the at least one criterion differs from the at least one risk attribute; retrieving dynamic condition information associated with at least one route between an originating location and the destination location, the retrieving not being triggered by an input of the user; determining, according to the navigation request, at least one candidate route between the originating location and the destination location based on the dynamic condition information; applying the user risk filter to the at least one candidate route; and determining, based on the applying, the desired route between the originating location and the destination location, wherein the desired route does not have the at least one risk attribute.