期刊
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
卷 462, 期 -, 页码 48-55出版社
ELSEVIER
DOI: 10.1016/j.physa.2016.06.055
关键词
Gravity model; Urban bus; Complex network; Human mobility; Urban transportation
资金
- Mid-career Researcher Program through the National Research Foundation of Korea (NRF) - Korea government (MSIP) [NRF-2013R1A2A2A04017095]
- Global Ph.D Fellowship Program through the National Research Foundation of Korea (NRF) - Ministry of Education [NRF-2014H1A2A1017266]
Mobility models have been studied to describe the underlying mechanism of human mobility. The mobility patterns in various transportation systems were understood with the gravity model by estimating the traffic as a simple function of population and distance. Compared to most studies on large-scale systems, we focused on the validity and characteristics of gravity model for intraurban mobility. Several variations of gravity model are applied on the urban bus systems of five medium-sized cities in Korea. The gravity model successfully estimates the intraurban traffic without universal exponents for cities. From the change of exponents by predictor types, we figure out the effect by a non-trivial relation between traffic and population in the urban areas. (C) 2016 Elsevier B.V. All rights reserved.
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