Chapter
Jul 2, 2019
Public Transportation Analysis Based on Social Media Data
Authors: Yujia Zhang [email protected], Dawei Li [email protected], and Cheng Li [email protected]Author Affiliations
Publication: CICTP 2019
Abstract
Public participation has become an important part of traffic planning and policy-making, but due to the limits of project cycle and cost, collecting and processing public opinions on a large scale seems to be a huge challenge. Relevant government departments should accept public opinions and make scientific and reasonable policies. This study focuses on how to use big data from social network platforms for content analysis. Data about public opinions are collected from the internet by means of a web crawler. A latent Dirichlet allocation (LDA) topic model is built to summarize public opinions and traffic problems. This paper also uses the Nanjing subway system as an example to introduce the whole procedure of content analysis and sum up the spatiotemporal properties of data. According to the results, some corresponding measures for the Nanjing metro system are proposed to improve the operation and management.
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© 2019 American Society of Civil Engineers.
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Published online: Jul 2, 2019
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Jiangsu Key Laboratory of Urban ITS, Jiangsu Province Collaborative Innovation Center of Modern Urban Traffic Technologies, School of Transportation, Southeast Univ., Si Pai Lou #2, Nanjing 210096, China. E-mail: [email protected]
Jiangsu Key Laboratory of Urban ITS, Jiangsu Province Collaborative Innovation Center of Modern Urban Traffic Technologies, School of Transportation, Southeast Univ., Si Pai Lou #2, Nanjing 210096, China. E-mail: [email protected]
China Academy of Transportation Sciences, Huixinli #240, Beijing 100029, China. E-mail: [email protected]
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