5. The system of claim 1 , wherein the open-world submodeling component models the probabilities related to the locations that are not in the log based upon a spatial distribution.
5. The system of claim 1 , wherein the open-world submodeling component models the probabilities related to the locations that are not in the log based upon a spatial distribution. 6. The system of claim 5 , the open-world submodeling component models the spatial distribution as a probability distribution over a distance from previously observed destination of a trip.