作者: Arno Eigenwillig , Veselin Raychev , Fabien Viger , Robert Geisberger , Chris Harrelson
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摘要: A public transit travel planning system and methodology that uses an extensive pre-processing approach of information prior to query time on order determine optimal routes for journeys. At time, since the has already been processed by system, very little computation is needed in fulfill query. The then provides users with directions response queries