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| Identification of Key Nodes in a Road Network Using the Fusion of Nodes with Degree Traffic Characteristics and LISH Model |
| WANG Yuan1, ZHENG Gui-xing2, WANG Peng1 |
1. Postgraduate Training Brigade, Military Transportation University, Tianjin 300161, China;
2. General Course Department, Military Transportation University, Tianjin 300161, China |
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Abstract This paper proposes a method for increasing the efficiency of identifying key nodes in a road network, especially in large-scale complex ones. The method was established based on spatial weighted degree and local improved structural hole (LISH) models by using node degrees fused with traffic characteristics. The node degree was redefined, and the traffic characteristics of a road network were integrated into the LISH model. The proposed method for calculating key nodes was validated using the backbone road network of Shaanxi Province. Result confirms the feasibility and rationality of the model. The improved LISH model is also more effective than existing models in identifying key nodes in the road network. This study provides a technical basis for determining key nodes of large-scale complex road networks by using GIS.
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Received: 10 September 2015
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Corresponding Authors:
WANG Yuan,E-mail address:zgkjpl@163.com
E-mail: zgkjpl@163.com
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2016, Vol. 10 
