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NAVIGATION SYSTEM

  • US 20120323875A1
  • Filed: 04/16/2010
  • Published: 12/20/2012
  • Est. Priority Date: 04/16/2010
  • Status: Abandoned Application
First Claim
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1. A navigation system for executing processing concerning navigation by using real data of map data acquired from a data group retaining real data of map data, the navigation system comprising:

  • data management data that determines storage locations of the real data in the data group in accordance with data definition information indicating a data structure of the data group, and that is provided separately from the data group;

    a data access program that describes an access function to the real data whose data structure in the data group is specified in accordance with the data definition information; and

    a functional unit for gaining access to the real data of the data group by executing the data access program while determining the storage locations of the real data by referring to the data management data.

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