Navigation server and navigation system

A navigation server and the like capable of improving determination accuracy of advertisement effectiveness is provided. According to a navigation system of the present invention, it is determined whether or not one or a plurality of time in which a position of a navigation device 200 (an user or a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: NOGAWA TADAFUMI, ISHIDO YUICHIRO
Format: Patent
Sprache:eng
Schlagworte:
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