Patent attributes
In an embodiment, a data processing method comprises obtaining a present location value indicating a present location of a computing device and event data indicating an event location and an event time; determining a route of travel between the present location and the event location for a mode of transportation from the present location to the event location; determining one or more route segments in the route of travel; determining one or more estimated journey times respectively for each of the route segments; adding one or more padding time values to each of the route segments; determining a total travel time based upon the journey times and the padding time values for all of the route segments; determining a recommended time to leave based upon a current time and a difference between the event time and the total travel time; wherein the method is performed by one or more computing devices.