The transportation navigation map is increasingly used in various transportation network modeling applications such as navigation or traffic assignment. A typical navigation map contains all detailed facility layers and may not be as computationally efficient for path finding as a lower resolution map. A lower resolution transportation routing map retains only roadway layers related to route-finding roadway layers and is efficient for path finding, but this map may result in only suboptimal routes. With the goal of balancing the quality and computation requirements of a transportation navigation map, the systematic abstraction of the lower resolution transportation routing map from the navigation map is an important and nontrivial task. The challenge is in how the abstracted routing map balances path-finding effectiveness and efficiency. To deal with this challenge, this study proposes an innovative map abstraction method or connectivity enhancement algorithm. The algorithm starts from a low-resolution network and continues updating the routing map by adding new links and nodes when it processes each search set node. The outcome of the proposed algorithm is an abstract map that retains the original detailed map's hierarchical structure with high topological connectivity quality at a significant computation saving.


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    Titel :

    Transportation Routing Map Abstraction Approach


    Untertitel :

    Algorithm and Numerical Analysis


    Weitere Titelangaben:

    Transportation Research Record


    Beteiligte:
    Zhu, Lei (Autor:in) / Chiu, Yi-Chang (Autor:in)


    Erscheinungsdatum :

    2015-01-01




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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