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Method for providing information and system for providing information

  • US 7,536,258 B2
  • Filed: 10/19/2006
  • Issued: 05/19/2009
  • Est. Priority Date: 08/06/2001
  • Status: Expired due to Term
First Claim
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1. An information providing method for providing information to an occupant of a vehicle, the method comprising the steps of:

  • detecting position information on the vehicle with information equipment installed in the vehicle;

    accumulating, as a travel information history, routes of the vehicle obtained from the detected position information in the manner of transition among nodes;

    predicting a destination of the vehicle by referring to a route along which the vehicle has traveled to the current time and to the accumulated travel information history, when detecting the occurrence of a given event; and

    providing information regarding the predicted destination to the occupant via the information equipment,wherein in the predicting step, a destination of the vehicle is predicted by referring to transition among nodes accumulated as the travel information history and a series of nodes from a departure of the vehicle to a current position,wherein in the predicting step, a number of nodes is increased by using previous nodes starting from a current node in reverse chronological order, and a series of nodes with which an amount of data of transition among nodes accumulated as the travel information history exceeds a predetermined value are used to predict a destination of the vehicle.

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