Patent ID: 7444237
Filing Date: 2008-10-28
Classification: G01C

Abstract:
1. A method for planning a journey, comprising: establishing selection criteria for a journey from an origin to a destination, the selection criteria comprising one or more traveler preferences and one or more rules, a traveler preference describing a desired feature of a waypoint, a rule specifying an action to perform in response to a trigger event, the waypoint representing an intermediate point between the origin and the destination; planning a route for the journey from the origin to the destination; detecting a trigger event after initiation of the journey, the trigger event independent of user input, the trigger event occurring when at least one of the one or more traveler preferences matches a description related to one or more alternate waypoints; accessing a rule of the one or more rules, the accessed rule specifying an action to perform in response to the detected trigger event; selecting, after initiation of the journey, at least one of the one or more alternate waypoints in accordance with the action and the selection criteria; and inserting the at least one of the one or more alternate waypoints into the route to create a next route.