地理信息 基于位置的多模式路径和导航服务
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| 作者：不详 来源：不详 更新时间：2008-3-27 10:15:47 |
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| 编 号 | 19134 | | 名 称 | 地理信息 基于位置的多模式路径和导航服务
Geographic information - Multimodal
location based services for routing and navigation | | 负责人 | Professor Tschangho Kim | | 工作组 | 第8工作组 | | 进 展 | 工作阶段 计划完成时间
各阶段相关最新文件
国际标准（IS）: 2004年4月 无
最终国际标准草案（FDIS）: 2005年7月 无
国际标准草案（DIS）: 2004年12月 无
委员会草案（CD）: 2004年4月 无
工作草案（WD）: 2002年11月 无
前面打“√”的为已完成阶段 | | 范 围 | This proposed International Standard will specify:
Route finding or navigation between two targets using two or more modes of transportation, I.e. finding the most desireable route from an origin to a destination using various available modes of transportation; and calculating a set of procedural "navigation decisions" or route following commands that will execute that route on a single network or on multimodal networks.
Rerouting as conditions along the route,or nearby alternate routes of alternative modes change.
Route Instruction traversal; ability to synchronize the targets position through its networks; to allow scrolling through route commands as appropriate.
How to maintain a multimodal database in support of this application, including conditions along potential routes such as Traffic Monitoring on multi networks. | | 目 的 | There is an NWIP at stage 0 being proposed that has the justification for LBS. There has been another NWIP,Location Based Services for Tracking, Routing and Navigation for single mode and single network standard as a stage 1 request. This NWIP is also a stage 1 request to produce multimodal Location Based Services International Standard.
A typical traveler in a metropolitan area in the world is involved in using various modes of transportation for daily activities: walking, automobile, park-and-ride, mass transit and taxi. The traveler frequently faces a problem to find an optimal or near optimal route,combining several modes, from the origin to the destination, passing through the locations where the trveler might want to engage activities such as shopping;possibly satisfying a set of constraints such as sequence constraints like "activity 1 before activity 1, location 1 before location 2, etc."
A typical intercity traveler faces decisions to make as to which station (airport) to go by which mode in order to take which line-haul system among available transportation modes between an origin and a destination. The decision will depend on the overall cost that includes the line-haul, parking, routing, stopping costs at station (airport), stopping cost at intermediate places, etc. | | 其 它 | 立项时间：2001年10月 立项文件：N 1117 N 1174 |
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