Patent
Map database apparatus
Takashi Nomura
- 19 Apr 1996
132
TL;DR: In this article, a map database apparatus according to the present invention manages roads by expressing the roads as link strings, each of the link strings is constituted by connecting a plurality of links, each link has nodes at a front end and a rear end respectively, and the node information includes guide data to be used for route guidance.
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Abstract: A map database apparatus according to the present invention manages roads by expressing the roads as link strings. Each of the link strings is constituted by connecting a plurality of links, each of the links has nodes at a front end and a rear end respectively, the map database apparatus has node information concerning the nodes, and the node information includes guide data to be used for route guidance. And, the guide data have directional characteristics corresponding to an order in which the links are connected.
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Citations
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Asta Khavakh,William Mcdonough,Oleg Voloshin,Yaoguang Wang +3 more
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Stephan V. Bechtolsheim,Larry Dunn,Andreas Hecht,Matthias Schmitt,Jerry Feigen,Michelle Roser +5 more
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TL;DR: In this article, a method and system for use by driver assistance systems installed in a motor vehicle to continuously provide such systems with updated data about paths along roads onto which the motor vehicle can travel from a current position of the vehicle as the vehicle travels along said roads is presented.
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