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    • 1. 发明授权
    • Navigation server
    • 导航服务器
    • US07783416B2
    • 2010-08-24
    • US12666510
    • 2008-03-26
    • Aiko SugawaraTadafumi NogawaTakeshi ImaiTakeyasu SuzukiYasunori Hada
    • Aiko SugawaraTadafumi NogawaTakeshi ImaiTakeyasu SuzukiYasunori Hada
    • G06F19/00
    • G08G1/01G01C21/00G08G1/096811G08G1/096844
    • A navigation server capable of guiding a mobile subject such as an automobile by a navigation device, while appropriately evaluating the level of safeness of individual link in a disaster occurring area in consideration of the actual disaster condition is provided. According to the navigation server of the present invention, the links included in the disaster occurring area are extracted, and the cost of each of the extracted links is evaluated on the basis of the probe information. There is high probability that the spatial and temporal moving pattern of the automobile (a first mobile subject) represented by the probe information reflects the influence of the disaster. Therefore, the level of the safeness of individual link included in the disaster occurring area may be evaluated as the cost of individual link accurately in consideration of the actual disaster condition and road condition. Further, by transmitting the road traffic information generated on the basis of the cost of individual link to the navigation device, it becomes possible to make the navigation device guide the automobile (a second mobile subject) to avoid the influence of the disaster in consideration of the actual disaster condition and road condition.
    • 提供一种导航服务器,其能够在考虑到实际灾害条件的情况下适当地评价灾害发生区域中的个人链路的安全性的同时,通过导航装置引导诸如汽车的移动对象。 根据本发明的导航服务器,提取包含在灾难发生区域中的链路,并且基于探测信息来评估每个提取的链路的成本。 由探测信息表示的汽车(第一移动主体)的空间和时间移动模式反映了灾害的影响的概率很高。 因此,考虑到实际灾害条件和道路状况,灾害发生地区各个环节的安全程度可以准确地评估为个人链路的成本。 此外,通过将基于各个链路的成本生成的道路交通信息发送到导航装置,可以使导航装置引导汽车(第二移动对象),以避免考虑到灾害的影响 实际灾害状况和路况。